/*
sdk的初始化和组织
*/

/**
 * @fileoverview sensors analytic javascript sdk
 * @author shengyonggen@sensorsdata.cn
 * 神策数据 www.sensorsdata.cn ，长期招聘 前端SDK开发工程师 ，简历求发送到我邮箱，谢谢
 */

;(function(factory) {
    if (typeof exports === 'object' && typeof module === 'object') {
      module.exports = factory();
    } else{
      factory();
    }
  })(function(){
  
  try{
  
  
  
  var sd = {};
  
  var _ = sd._ = {};
  
  // 压缩后的json库，照抄的github上的库
  if(typeof JSON!=='object'){JSON={}}(function(){'use strict';var rx_one=/^[\],:{}\s]*$/,rx_two=/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,rx_three=/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,rx_four=/(?:^|:|,)(?:\s*\[)+/g,rx_escapable=/[\\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,rx_dangerous=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;function f(n){return n<10?'0'+n:n}function this_value(){return this.valueOf()}if(typeof Date.prototype.toJSON!=='function'){Date.prototype.toJSON=function(){return isFinite(this.valueOf())?this.getUTCFullYear()+'-'+f(this.getUTCMonth()+1)+'-'+f(this.getUTCDate())+'T'+f(this.getUTCHours())+':'+f(this.getUTCMinutes())+':'+f(this.getUTCSeconds())+'Z':null};Boolean.prototype.toJSON=this_value;Number.prototype.toJSON=this_value;String.prototype.toJSON=this_value}var gap,indent,meta,rep;function quote(string){rx_escapable.lastIndex=0;return rx_escapable.test(string)?'"'+string.replace(rx_escapable,function(a){var c=meta[a];return typeof c==='string'?c:'\\u'+('0000'+a.charCodeAt(0).toString(16)).slice(-4)})+'"':'"'+string+'"'}function str(key,holder){var i,k,v,length,mind=gap,partial,value=holder[key];if(value&&typeof value==='object'&&typeof value.toJSON==='function'){value=value.toJSON(key)}if(typeof rep==='function'){value=rep.call(holder,key,value)}switch(typeof value){case'string':return quote(value);case'number':return isFinite(value)?String(value):'null';case'boolean':case'null':return String(value);case'object':if(!value){return'null'}gap+=indent;partial=[];if(Object.prototype.toString.apply(value)==='[object Array]'){length=value.length;for(i=0;i<length;i+=1){partial[i]=str(i,value)||'null'}v=partial.length===0?'[]':gap?'[\n'+gap+partial.join(',\n'+gap)+'\n'+mind+']':'['+partial.join(',')+']';gap=mind;return v}if(rep&&typeof rep==='object'){length=rep.length;for(i=0;i<length;i+=1){if(typeof rep[i]==='string'){k=rep[i];v=str(k,value);if(v){partial.push(quote(k)+(gap?': ':':')+v)}}}}else{for(k in value){if(Object.prototype.hasOwnProperty.call(value,k)){v=str(k,value);if(v){partial.push(quote(k)+(gap?': ':':')+v)}}}}v=partial.length===0?'{}':gap?'{\n'+gap+partial.join(',\n'+gap)+'\n'+mind+'}':'{'+partial.join(',')+'}';gap=mind;return v}}if(typeof JSON.stringify!=='function'){meta={'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','"':'\\"','\\':'\\\\'};JSON.stringify=function(value,replacer,space){var i;gap='';indent='';if(typeof space==='number'){for(i=0;i<space;i+=1){indent+=' '}}else if(typeof space==='string'){indent=space}rep=replacer;if(replacer&&typeof replacer!=='function'&&(typeof replacer!=='object'||typeof replacer.length!=='number')){throw new Error('JSON.stringify')}return str('',{'':value})}}if(typeof JSON.parse!=='function'){JSON.parse=function(text,reviver){var j;function walk(holder,key){var k,v,value=holder[key];if(value&&typeof value==='object'){for(k in value){if(Object.prototype.hasOwnProperty.call(value,k)){v=walk(value,k);if(v!==undefined){value[k]=v}else{delete value[k]}}}}return reviver.call(holder,key,value)}text=String(text);rx_dangerous.lastIndex=0;if(rx_dangerous.test(text)){text=text.replace(rx_dangerous,function(a){return'\\u'+('0000'+a.charCodeAt(0).toString(16)).slice(-4)})}if(rx_one.test(text.replace(rx_two,'@').replace(rx_three,']').replace(rx_four,''))){j=eval('('+text+')');return typeof reviver==='function'?walk({'':j},''):j}throw new SyntaxError('JSON.parse')}}}());
  
  
  /*
  一系列的通用的方法
  */
  
  (function() {
  
    var ArrayProto = Array.prototype;
    var FuncProto = Function.prototype;
    var ObjProto = Object.prototype;
    var slice = ArrayProto.slice;
    var toString = ObjProto.toString;
    var hasOwnProperty = ObjProto.hasOwnProperty;
    var nativeBind = FuncProto.bind;
    var nativeForEach = ArrayProto.forEach;
    var nativeIndexOf = ArrayProto.indexOf;
    var nativeIsArray = Array.isArray;
    var breaker = {};
  
    var each = _.each = function(obj, iterator, context) {
      if (obj == null) {
        return false;
      }
      if (nativeForEach && obj.forEach === nativeForEach) {
        obj.forEach(iterator, context);
      } else if (obj.length === +obj.length) {
        for (var i = 0, l = obj.length; i < l; i++) {
          if (i in obj && iterator.call(context, obj[i], i, obj) === breaker) {
            return false;
          }
        }
      } else {
        for (var key in obj) {
          if (hasOwnProperty.call(obj, key)) {
            if (iterator.call(context, obj[key], key, obj) === breaker) {
              return false;
            }
          }
        }
      }
    };
  
    // 普通的extend，不能到二级
    _.extend = function(obj) {
      each(slice.call(arguments, 1), function(source) {
        for (var prop in source) {
          if (source[prop] !== void 0) {
            obj[prop] = source[prop];
          }
        }
      });
      return obj;
    };
    // 允许二级的extend
    _.extend2Lev = function(obj) {
      each(slice.call(arguments, 1), function(source) {
        for (var prop in source) {
          if (source[prop] !== void 0) {
            if (_.isObject(source[prop]) && _.isObject(obj[prop])) {
              _.extend(obj[prop], source[prop]);
            } else {
              obj[prop] = source[prop];
            }
          }
        }
      });
      return obj;
    };
    // 如果已经有的属性不覆盖,如果没有的属性加进来
    _.coverExtend = function(obj) {
      each(slice.call(arguments, 1), function(source) {
        for (var prop in source) {
          if (source[prop] !== void 0 && obj[prop] === void 0) {
            obj[prop] = source[prop];
          }
        }
      });
      return obj;
    };
  
    _.isArray = nativeIsArray || function(obj) {
        return toString.call(obj) === '[object Array]';
      };
  
    _.isFunction = function(f) {
      if(!f){
        return false;
      }
      try {
        return /^\s*\bfunction\b/.test(f);
      } catch (x) {
        return false;
      }
    };
  
    _.isArguments = function(obj) {
      return !!(obj && hasOwnProperty.call(obj, 'callee'));
    };
  
    _.toArray = function(iterable) {
      if (!iterable) {
        return [];
      }
      if (iterable.toArray) {
        return iterable.toArray();
      }
      if (_.isArray(iterable)) {
        return slice.call(iterable);
      }
      if (_.isArguments(iterable)) {
        return slice.call(iterable);
      }
      return _.values(iterable);
    };
  
    _.values = function(obj) {
      var results = [];
      if (obj == null) {
        return results;
      }
      each(obj, function(value) {
        results[results.length] = value;
      });
      return results;
    };
  
  
    _.indexOf = function (arr, target) {
      var indexof = arr.indexOf;
      if (indexof) {
        return indexof.call(arr, target);
      }
      else {
        for (var i = 0; i < arr.length; i++) {
          if (target === arr[i]) {
            return i;
          }
        }
        return -1;
      }
    };
  
  
  
  
  
  _.filter = function (arr, fn, self) {
    var hasOwn = Object.prototype.hasOwnProperty;
    if (arr.filter) {
      return arr.filter(fn);
    }
    var ret = [];
    for (var i = 0; i < arr.length; i++) {
      if (!hasOwn.call(arr, i)) {
        continue;
      }
      var val = arr[i];
      if (fn.call(self, val, i, arr)) {
        ret.push(val);
      }
    }
    return ret;
  };
  
  _.inherit = function(subclass, superclass) {
    subclass.prototype = new superclass();
    subclass.prototype.constructor = subclass;
    subclass.superclass = superclass.prototype;
    return subclass;
  };
  
  _.trim = function(str){
    return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
  };
  
  _.isObject = function(obj) {
    if(obj == null){
      return false;
    }else{
      return (toString.call(obj) == '[object Object]');
    }
  };
  
  _.isEmptyObject = function(obj) {
    if (_.isObject(obj)) {
      for (var key in obj) {
        if (hasOwnProperty.call(obj, key)) {
          return false;
        }
      }
      return true;
    }
    return false;
  };
  
  _.isUndefined = function(obj) {
    return obj === void 0;
  };
  
  _.isString = function(obj) {
    return toString.call(obj) == '[object String]';
  };
  
  _.isDate = function(obj) {
    return toString.call(obj) == '[object Date]';
  };
  
  _.isBoolean = function(obj) {
    return toString.call(obj) == '[object Boolean]';
  };
  
  _.isNumber = function(obj) {
    return (toString.call(obj) == '[object Number]' && /[\d\.]+/.test(String(obj)));
  };
  
  _.isElement = function(obj) {
      return !!(obj && obj.nodeType === 1);
  };
  
  _.isJSONString = function(str) {
    try {
      JSON.parse(str);
    } catch (e) {
      return false;
    }
    return true;
  };
  _.safeJSONParse = function(str){
    var val = null;
    try {
      val = JSON.parse(str);
    } catch (e) {
      return false;
    }
    return val;
  };
  // gbk等编码decode会异常
  _.decodeURIComponent = function(val){
    var result = val;
    try{
      result = decodeURIComponent(val);
    }catch(e){
      result = val;
    }
    return result;
  };
  
  _.encodeDates = function(obj) {
    _.each(obj, function(v, k) {
      if (_.isDate(v)) {
        obj[k] = _.formatDate(v);
      } else if (_.isObject(v)) {
        obj[k] = _.encodeDates(v); // recurse
      }
    });
    return obj;
  };
  
  _.mediaQueriesSupported = function() {
    return (typeof window.matchMedia != "undefined" || typeof window.msMatchMedia != "undefined");
  };
  
  // Returns current screen orientation type
  // Possible values: ['未取到值', 'landscape', 'portrait']
  // Defaults to '未取到值'.
  // Tested on
  // * IE 6 => '未取到值'
  // * Opera 15 on macOS
  // * Firefox 68 on macOS
  // * Safari 12.1 on macOS
  // * Chrome 75 on macOS
  // * Safari on iPhone X
  // * Chrome on Google Pixel 2
  _.getScreenOrientation = function() {
    // Screen Orientation API
    var screenOrientationAPI = screen.msOrientation || screen.mozOrientation || (screen.orientation || {}).type;
    var screenOrientation = '未取到值';
    if (screenOrientationAPI) {
      screenOrientation = screenOrientationAPI.indexOf('landscape') > -1 ? 'landscape' : 'portrait';
    } else if (_.mediaQueriesSupported()) { // matchMedia
      var matchMediaFunc = window.matchMedia || window.msMatchMedia;
      if (matchMediaFunc("(orientation: landscape)").matches) {
        screenOrientation = 'landscape';
      } else if (matchMediaFunc("(orientation: portrait)").matches) {
        screenOrientation = 'portrait';
      }
    }
    return screenOrientation;
  };
  
  _.now = Date.now || function() {
    return new Date().getTime();
  };
  
  _.throttle = function(func, wait, options) {
      var context, args, result;
      var timeout = null;
      var previous = 0;
      if (!options) options = {};
      var later = function() {
        previous = options.leading === false ? 0 : _.now();
        timeout = null;
        result = func.apply(context, args);
        if (!timeout) context = args = null;
      };
      return function() {
        var now = _.now();
        if (!previous && options.leading === false) previous = now;
        var remaining = wait - (now - previous);
        context = this;
        args = arguments;
        if (remaining <= 0 || remaining > wait) {
          if (timeout) {
            clearTimeout(timeout);
            timeout = null;
          }
          previous = now;
          result = func.apply(context, args);
          if (!timeout) context = args = null;
        } else if (!timeout && options.trailing !== false) {
          timeout = setTimeout(later, remaining);
        }
        return result;
      };
  };
  
  _.hashCode = function(str){
    if(typeof str !== 'string'){
      return 0;
    }
    var hash = 0;
    var char = null;
    if (str.length == 0) {
      return hash;
    }
    for (var i = 0; i < str.length; i++) {
      char = str.charCodeAt(i);
      hash = ((hash<<5)-hash)+char;
      hash = hash & hash;
    }
    return hash;
  };
  
  _.formatDate = function(d) {
    function pad(n) {
      return n < 10 ? '0' + n : n;
    }
  
    return d.getFullYear() + '-'
      + pad(d.getMonth() + 1) + '-'
      + pad(d.getDate()) + ' '
      + pad(d.getHours()) + ':'
      + pad(d.getMinutes()) + ':'
      + pad(d.getSeconds()) + '.'
      + pad(d.getMilliseconds());
  };
  
  // 把日期格式全部转化成日期字符串
  _.searchObjDate = function(o) {
    if (_.isObject(o)) {
      _.each(o, function(a, b) {
        if (_.isObject(a)) {
          _.searchObjDate(o[b]);
        } else {
          if (_.isDate(a)) {
            o[b] = _.formatDate(a);
          }
        }
      });
    }
  };
  
  _.searchZZAppStyle = function(data){
    if(typeof data.properties.$project !== 'undefined'){
      data.project = data.properties.$project;
      delete data.properties.$project;
    }
    if(typeof data.properties.$token !== 'undefined'){
      data.token = data.properties.$token;
      delete data.properties.$token;
    }
  };
  
  _.formatJsonString = function(obj){
    try{
      return JSON.stringify(obj, null, '  ');
    }catch(e){
      return JSON.stringify(obj);
    }
  };
  
  // 把字符串格式数据限制字符串长度
  _.formatString = function(str) {
    if (str.length > sd.para.max_string_length) {
      sd.log('字符串长度超过限制，已经做截取--' + str);
      return str.slice(0, sd.para.max_string_length);
    } else {
      return str;
    }
  };
  
  // 把字符串格式数据限制字符串长度
  _.searchObjString = function(o) {
    if (_.isObject(o)) {
      _.each(o, function(a, b) {
        if (_.isObject(a)) {
          _.searchObjString(o[b]);
        } else {
          if (_.isString(a)) {
            o[b] = _.formatString(a);
          }
        }
      });
    }
  };
  
  /**
   * 执行属性中的函数，并且过滤掉不符合条件的属性
   *
   * @param {Object} obj - Properties.
   *
   */
  _.parseSuperProperties = function(obj) {
    if (_.isObject(obj)) {
      _.each(obj, function(value, key) {
        if (_.isFunction(value)) {
          try {
            obj[key] = value();
            if (_.isFunction(obj[key])) {
              sd.log("您的属性- " + key + ' 格式不满足要求，我们已经将其删除');
              delete obj[key];
            }
          } catch (e) {
            delete obj[key];
            sd.log("您的属性- " + key + ' 抛出了异常，我们已经将其删除');
          }
        }
      });
      _.strip_sa_properties(obj);
    }
  };
  
  // 去除$option的配置数据
  _.searchConfigData = function(data){
    if(typeof data === 'object' && data.$option){
      var data_config = data.$option;
      delete data.$option;
      return data_config;
    }else{
      return {};
    }
  }
  
  
  // 数组去重复
  _.unique = function(ar) {
    var temp, n = [], o = {};
    for (var i = 0; i < ar.length; i++) {
      temp = ar[i];
      if (!(temp in o)) {
        o[temp] = true;
        n.push(temp);
      }
    }
    return n;
  };
  
  // 只能是sensors满足的数据格式
  _.strip_sa_properties = function(p) {
    if (!_.isObject(p)) {
      return p;
    }
    _.each(p, function(v, k) {
      // 如果是数组，把值自动转换成string
      if (_.isArray(v)) {
        var temp = [];
        _.each(v, function(arrv) {
          if (_.isString(arrv)) {
            temp.push(arrv);
          } else {
            sd.log('您的数据-',k, v, '的数组里的值必须是字符串,已经将其删除');
          }
        });
        if (temp.length !== 0) {
          p[k] = temp;
        } else {
          delete p[k];
          sd.log('已经删除空的数组');
        }
      }
      // 只能是字符串，数字，日期,布尔，数组
      if (!(_.isString(v) || _.isNumber(v) || _.isDate(v) || _.isBoolean(v) || _.isArray(v) || _.isFunction(v) || (k === '$option'))) {
        sd.log('您的数据-',k, v, '-格式不满足要求，我们已经将其删除');
        delete p[k];
      }
    });
    return p;
  };
  
  // 去掉undefined和null
  _.strip_empty_properties = function(p) {
    var ret = {};
    _.each(p, function(v, k) {
      if (v != null) {
        ret[k] = v;
      }
    });
    return ret;
  };
  
  _.utf8Encode = function(string) {
    string = (string + '').replace(/\r\n/g, '\n').replace(/\r/g, '\n');
  
    var utftext = '', start, end;
    var stringl = 0, n;
  
    start = end = 0;
    stringl = string.length;
  
    for (n = 0; n < stringl; n++) {
      var c1 = string.charCodeAt(n);
      var enc = null;
  
      if (c1 < 128) {
        end++;
      } else if ((c1 > 127) && (c1 < 2048)) {
        enc = String.fromCharCode((c1 >> 6) | 192, (c1 & 63) | 128);
      } else {
        enc = String.fromCharCode((c1 >> 12) | 224, ((c1 >> 6) & 63) | 128, (c1 & 63) | 128);
      }
      if (enc !== null) {
        if (end > start) {
          utftext += string.substring(start, end);
        }
        utftext += enc;
        start = end = n + 1;
      }
    }
  
    if (end > start) {
      utftext += string.substring(start, string.length);
    }
  
    return utftext;
  };
  
  /**
   * Create a base-64 encoded ASCII string from a UTF-8 string.
   */
  _.base64Encode = function(data) {
    if (typeof btoa === 'function') {
      return btoa(encodeURIComponent(data).replace(/%([0-9A-F]{2})/g, function (match, p1) {
        return String.fromCharCode('0x' + p1);
      }));
    }
    data = String(data);
    var b64 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
    var o1, o2, o3, h1, h2, h3, h4, bits, i = 0, ac = 0, enc = '', tmp_arr = [];
    if (!data) {
      return data;
    }
    data = _.utf8Encode(data);
    do {
      o1 = data.charCodeAt(i++);
      o2 = data.charCodeAt(i++);
      o3 = data.charCodeAt(i++);
  
      bits = o1 << 16 | o2 << 8 | o3;
  
      h1 = bits >> 18 & 0x3f;
      h2 = bits >> 12 & 0x3f;
      h3 = bits >> 6 & 0x3f;
      h4 = bits & 0x3f;
      tmp_arr[ac++] = b64.charAt(h1) + b64.charAt(h2) + b64.charAt(h3) + b64.charAt(h4);
    } while (i < data.length);
  
    enc = tmp_arr.join('');
  
    switch (data.length % 3) {
      case 1:
        enc = enc.slice(0, -2) + '==';
        break;
      case 2:
        enc = enc.slice(0, -1) + '=';
        break;
    }
  
    return enc;
  };
  
  
  _.UUID = (function() {
    var T = function() {
      var d = 1 * new Date(), i = 0;
      while (d == 1 * new Date()) {
        i++;
      }
      return d.toString(16) + i.toString(16);
    };
    var R = function() {
      return Math.random().toString(16).replace('.', '');
    };
    var UA = function(n) {
      var ua = navigator.userAgent, i, ch, buffer = [], ret = 0;
  
      function xor(result, byte_array) {
        var j, tmp = 0;
        for (j = 0; j < byte_array.length; j++) {
          tmp |= (buffer[j] << j * 8);
        }
        return result ^ tmp;
      }
  
      for (i = 0; i < ua.length; i++) {
        ch = ua.charCodeAt(i);
        buffer.unshift(ch & 0xFF);
        if (buffer.length >= 4) {
          ret = xor(ret, buffer);
          buffer = [];
        }
      }
  
      if (buffer.length > 0) {
        ret = xor(ret, buffer);
      }
  
      return ret.toString(16);
    };
  
    return function() {
      // 有些浏览器取个屏幕宽度都异常...
      var se = String(screen.height * screen.width);
      if (se && /\d{5,}/.test(se)) {
        se = se.toString(16);
      } else {
        se = String(Math.random() * 31242).replace('.', '').slice(0, 8);
      }
      var val = (T() + '-' + R() + '-' + UA() + '-' + se + '-' + T());
      if(val){
        return val;
      }else{
        return (String(Math.random()) + String(Math.random()) + String(Math.random())).slice(2, 15);
      }
  
    };
  })();
  
  
  _.getQueryParam = function(url, param) {
    param = param.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
    url = _.decodeURIComponent(url);
    var regexS = "[\\?&]" + param + "=([^&#]*)",
      regex = new RegExp(regexS),
      results = regex.exec(url);
    if (results === null || (results && typeof(results[1]) !== 'string' && results[1].length)) {
      return '';
    } else {
      return _.decodeURIComponent(results[1]);
    }
  };
  
  _.urlParse = function(para) {
    var URLParser = function(a) {
      this._fields = {
        Username: 4,
        Password: 5,
        Port: 7,
        Protocol: 2,
        Host: 6,
        Path: 8,
        URL: 0,
        QueryString: 9,
        Fragment: 10
      };
      this._values = {};
      this._regex = null;
      this._regex = /^((\w+):\/\/)?((\w+):?(\w+)?@)?([^\/\?:]+):?(\d+)?(\/?[^\?#]+)?\??([^#]+)?#?(\w*)/;
  
      if (typeof a != 'undefined') {
        this._parse(a)
      }
    };
    URLParser.prototype.setUrl = function(a) {
      this._parse(a)
    };
    URLParser.prototype._initValues = function() {
      for (var a in this._fields) {
        this._values[a] = ''
      }
    };
    URLParser.prototype.addQueryString = function(queryObj) {
        if(typeof queryObj !== 'object'){
            return false;
        }
        var query = this._values.QueryString || '';
        for(var i in queryObj){
           if(new RegExp(i+'[^&]+').test(query)){
              query = query.replace(new RegExp(i+'[^&]+'), i + '=' + queryObj[i]);
           }else{
               if(query.slice(-1) === '&'){
                   query = query + i + '=' + queryObj[i];
               }else{
                if(query === ''){
                  query = i + '=' + queryObj[i];
                }else{
                  query = query + '&' + i + '=' + queryObj[i];
                }
               }
           }
        }
        this._values.QueryString = query;
    };
    URLParser.prototype.getUrl = function() {
      var url = '';
      url += this._values.Origin;
      url += this._values.Port ? ':' + this._values.Port : '';
      url += this._values.Path;
      url += this._values.QueryString ? '?' + this._values.QueryString : '';
      url += this._values.Fragment ? '#'+this._values.Fragment : '';
      return url;
    };
  
    URLParser.prototype.getUrl = function() {
      var url = '';
      url += this._values.Origin;
      url += this._values.Port ? ':' + this._values.Port : '';
      url += this._values.Path;
      url += this._values.QueryString ? '?' + this._values.QueryString : '';
      return url;
    };
    URLParser.prototype._parse = function(a) {
      this._initValues();
      var b = this._regex.exec(a);
      if (!b) {
        throw 'DPURLParser::_parse -> Invalid URL'
      }
      for (var c in this._fields) {
        if (typeof b[this._fields[c]] != 'undefined') {
          this._values[c] = b[this._fields[c]]
        }
      }
      this._values['Hostname'] = this._values['Host'].replace(/:\d+$/, '');
      this._values['Origin'] = this._values['Protocol'] + '://' + this._values['Hostname'];
  
    };
    return new URLParser(para);
  };
  
  /* ulr预置
  _.referringDomain = function(referrer) {
    var split = referrer.split('/');
    if (split.length >= 3) {
      return split[2];
    }
    return '';
  };
  
  _.getDomainByHost = function(url) {
    if (typeof url === 'string' && url.split('.').length >= 2) {
      var temp = url.match(/[^\.]+\.[^.]+$/);
      if (temp && temp[0]) {
        return temp[0];
      } else {
        return '';
      }
    } else {
      return '';
    }
  }
  */
  
  /* _.draggable = function(elementToDrag, event) {
    function getScrollOffsets() {
      var w = document;
      if (w.pageXOffset != null) {
        return {
          x: w.pageXOffset,
          y: w.pageYOffset
        };
      } else {
        return {
          x: w.documentElement.scrollLeft,
          y: w.documentElement.scrollTop
        };
      }
    }
  
    var scroll = getScrollOffsets();
    var startX = event.clientX + scroll.x;
    var startY = event.clientY + scroll.y;
    var origX = elementToDrag.offsetLeft;
    var origY = elementToDrag.offsetTop;
    var deltaX = startX - origX;
    var deltaY = startY - origY;
    if (document.addEventListener) {
      document.addEventListener("mousemove", moveHandler);
      document.addEventListener("mouseup", upHandler);
    } else if (document.attachEvent) {
      document.attachEvent("onmousemove", moveHandler);
      document.attachEvent("onmouseup", upHandler);
    }
    if (event.stopPropagation) event.stopPropagation();
    else event.cancelBubble = true;
    if (event.preventDefault) event.preventDefault();
    else event.returnValue = false;
  
    elementToDrag.style.bottom = 'auto';
  
    function moveHandler(e) {
      e = e || window.event;
      var scroll = getScrollOffsets();
      elementToDrag.style.left = (e.clientX + scroll.x - deltaX) + "px";
      elementToDrag.style.top = (e.clientY + scroll.y - deltaY) + "px";
      if (e.stopPropagation) e.stopPropagation();
      else e.cancelBubble = true;
    }
    function upHandler(e) {
      if (!e) e = window.event;
      if (document.removeEventListener) {
        document.removeEventListener("mouseup", upHandler);
        document.removeEventListener("mousemove", moveHandler);
      } else if (document.detachEvent) {
        document.detachEvent("onmouseup", upHandler);
        document.detachEvent("onmousemove", moveHandler);
      }
      if (e.stopPropagation) e.stopPropagation();
      else e.cancelBubble = true;
    }
  } */
  
  // 是否有标准的浏览器环境,如果不是发送$errorEnviroment:{$errorReson:'没有window'}
  /* _.hasStandardBrowserEnviroment = function() {
    if (!window) {
      return 'window';
    }
    if (!document) {
      return 'document';
    }
    if (!navigator) {
      return 'navigator';
    }
    if (!screen) {
      return 'screen';
    }
  
  }; */
  
  /* _.bindReady = function(fn,win) {
    win = win || window;
    var done = false,
    top = true,
    doc = win.document,
    root = doc.documentElement,
    modern = doc.addEventListener,
    add = modern ? 'addEventListener' : 'attachEvent',
    rem = modern ? 'removeEventListener' : 'detachEvent',
    pre = modern ? '' : 'on',
    init = function(e) {
      if (e.type == 'readystatechange' && doc.readyState != 'complete') return;
      (e.type == 'load' ? win : doc)[rem](pre + e.type, init, false);
      if (!done && (done = true)) fn.call(win, e.type || e);
    },
    poll = function() {
      try { root.doScroll('left'); } catch(e) { setTimeout(poll, 50); return; }
      init('poll');
    };
  
    if (doc.readyState == 'complete') fn.call(win, 'lazy');
    else {
      if (!modern && root.doScroll) {
        try { top = !win.frameElement; } catch(e) { }
        if (top) poll();
      }
      doc[add](pre + 'DOMContentLoaded', init, false);
      doc[add](pre + 'readystatechange', init, false);
      win[add](pre + 'load', init, false);
    }
  
  }; */
  
  
  _.addEvent = function() {
  
      function fixEvent(event) {
          if (event) {
              event.preventDefault = fixEvent.preventDefault;
              event.stopPropagation = fixEvent.stopPropagation;
              event._getPath = fixEvent._getPath;
          }
          return event;
      }
      fixEvent._getPath = function(){
        var ev = this;
        var polyfill = function () {
          try{
            var element = ev.target;
            var pathArr = [element];
            if (element === null || element.parentElement === null) {
                return [];
            }
            while (element.parentElement !== null) {
                element = element.parentElement;
                pathArr.unshift(element);
            }
            return pathArr;
          }catch(err){
            return [];
          }
  
        };
        return this.path || (this.composedPath && this.composedPath()) || polyfill();
      };
      fixEvent.preventDefault = function() {
          this.returnValue = false;
      };
      fixEvent.stopPropagation = function() {
          this.cancelBubble = true;
      };
  
  
      var register_event = function(element, type, handler) {
          var useCapture = _.isObject(sd.para.heatmap) && sd.para.heatmap.useCapture ? true : false;
          if (element && element.addEventListener) {
              element.addEventListener(type, function(e){
                e._getPath = fixEvent._getPath;
                handler.call(this,e);
              }, useCapture);
          } else {
              var ontype = 'on' + type;
              var old_handler = element[ontype];
              element[ontype] = makeHandler(element, handler, old_handler);
          }
      };
      function makeHandler(element, new_handler, old_handlers) {
          var handler = function(event) {
              event = event || fixEvent(window.event);
              if (!event) {
                  return undefined;
              }
              event.target = event.srcElement;
  
              var ret = true;
              var old_result, new_result;
              if (typeof old_handlers === 'function') {
                  old_result = old_handlers(event);
              }
              new_result = new_handler.call(element, event);
              if ((false === old_result) || (false === new_result)) {
                  ret = false;
              }
              return ret;
          };
          return handler;
      }
  
      register_event.apply(null,arguments);
  };
  
  
  _.addHashEvent = function(callback){
    var hashEvent = ('pushState' in window.history ? 'popstate' : 'hashchange');
    _.addEvent(window,hashEvent,callback);
  };
  
  _.addSinglePageEvent = function(callback){
    var current_url = location.href;
    var historyPushState = window.history.pushState;
    var historyReplaceState = window.history.replaceState;
  
    //调用方法导致的url切换
    window.history.pushState = function () {
      historyPushState.apply(window.history, arguments);
      callback(current_url);
      current_url = location.href;
    };
    window.history.replaceState = function () {
      historyReplaceState.apply(window.history,arguments);
      callback(current_url);
      current_url = location.href;
    };
  
    // 前进后退导致的url切换
      var singlePageEvent = historyPushState ? 'popstate' : 'hashchange';
      _.addEvent(window,singlePageEvent,function(){
        callback(current_url);
        current_url = location.href;
      });
  };
  
  _.cookie = {
    get: function(name) {
      var nameEQ = name + '=';
      var ca = document.cookie.split(';');
      for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') {
          c = c.substring(1, c.length);
        }
        if (c.indexOf(nameEQ) == 0) {
          return _.decodeURIComponent(c.substring(nameEQ.length, c.length));
        }
      }
      return null;
    },
    set: function(name, value, days, cross_subdomain, is_secure) {
      cross_subdomain = typeof cross_subdomain === 'undefined' ? sd.para.cross_subdomain : cross_subdomain;
      var cdomain = '', expires = '', secure = '';
      days = days == null ? 73000 : days;
  
      if (cross_subdomain) {
        var domain = _.getCurrentDomain(location.href);
        if(domain === 'url解析失败'){
          domain = '';
        }
        cdomain = ((domain) ? '; domain=' + domain : '');
      }
  
      // 0 session
      // -1 马上过期
      //
      if (days !== 0) {
        var date = new Date();
        // 默认是天，可以是秒
        if (String(days).slice(-1) === 's') {
          date.setTime(date.getTime() + (Number(String(days).slice(0, -1)) * 1000));
        } else {
          date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        }
  
        expires = '; expires=' + date.toGMTString();
      }
  
      if (is_secure) {
        secure = '; secure';
      }
  
      document.cookie = name + '=' + encodeURIComponent(value) + expires
        + '; path=/' + cdomain + secure;
    },
  
    remove: function(name, cross_subdomain) {
      cross_subdomain = typeof cross_subdomain === 'undefined' ? sd.para.cross_subdomain : cross_subdomain;
      _.cookie.set(name, '', -1, cross_subdomain);
  
    },
  
    getCookieName: function(name_prefix, url){
      var sub = '';
      url = url || location.href;
      if(sd.para.cross_subdomain === false){
        try {
          sub = _.URL(url).hostname;
        } catch (e) {
          // do nothing
        }
        if(typeof sub === 'string' && sub !== ''){
          sub = 'sajssdk_2015_' + name_prefix + '_' + sub.replace(/\./g, '_');
        }else{
          sub = 'sajssdk_2015_root_' + name_prefix;
        }
      }else{
        sub = 'sajssdk_2015_cross_' + name_prefix;
      }
      return sub;
    },
  // 针对新用户的兼容性判断,兼容子域名
    getNewUser: function(){
      var prefix = 'new_user';
      if(this.get('sensorsdata_is_new_user') !== null || this.get(this.getCookieName(prefix)) !== null){
        return true;
      }else{
        return false;
      }
    }
  };
  _.getElementContent = function(target,tagName){
    var textContent = '';
    var element_content = '';
    if (target.textContent) {
      textContent = _.trim(target.textContent);
    }else if(target.innerText){
      textContent = _.trim(target.innerText);
    }
    if (textContent) {
      textContent = textContent.replace(/[\r\n]/g, ' ').replace(/[ ]+/g, ' ').substring(0, 255);
    }
    element_content = textContent || '';
  
    // 针对inut默认只采集button和submit非名感的词汇。可以自定义（银联提）
    if(tagName === 'input' || tagName === 'INPUT'){
      if(target.type === 'button' || target.type === 'submit'){
        element_content = target.value || '';
      } else if (sd.para.heatmap && (typeof sd.para.heatmap.collect_input === 'function') && sd.para.heatmap.collect_input(target)){
        element_content = target.value || '';
      }
    }
    return element_content;
  };
  // 获取元素的一些信息
  _.getEleInfo = function(obj){
    if(!obj.target){
      return false;
    }
  
    var target = obj.target;
    var tagName = target.tagName.toLowerCase();
  
  
    var props = {};
  
    props.$element_type = tagName;
    props.$element_name = target.getAttribute('name');
    props.$element_id = target.getAttribute('id');
    props.$element_class_name = typeof target.className === 'string' ? target.className : null;
    props.$element_target_url = target.getAttribute('href');
    props.$element_content = _.getElementContent(target,tagName);
  
  
    props = _.strip_empty_properties(props);
  
    props.$url = location.href;
    props.$url_path = location.pathname;
    props.$title = document.title;
    props.$viewport_width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth || 0;
  
    return props;
  
  };
  
  // _.localStorage
  _.localStorage = {
    get: function(name) {
      return window.localStorage.getItem(name);
    },
  
    parse: function(name) {
      var storedValue;
      try {
        storedValue = JSON.parse(_.localStorage.get(name)) || null;
      } catch (err) {
      }
      return storedValue;
    },
  
    set: function(name, value) {
      window.localStorage.setItem(name, value);
    },
  
    remove: function(name) {
      window.localStorage.removeItem(name);
    },
  
    isSupport: function() {
      var supported = true;
      try {
        var key = '__sensorsdatasupport__';
        var val = 'testIsSupportStorage';
        _.localStorage.set(key, val);
        if (_.localStorage.get(key) !== val) {
          supported = false;
        }
        _.localStorage.remove(key);
      } catch (err) {
        supported = false;
      }
      return supported;
    }
  
  };
  
  _.sessionStorage = {
  
    isSupport:function(){
        var supported = true;
  
        var key = '__sensorsdatasupport__';
        var val = 'testIsSupportStorage';
        try{
          if(sessionStorage && sessionStorage.setItem){
            sessionStorage.setItem(key,val);
            sessionStorage.removeItem(key,val);
            supported = true;
          }else{
            supported = false;
          }
        }catch(e){
          supported = false;
        }
        return supported;
    }
  };
  
  // 检测是否支持跨域的ajax发送
  _.isSupportCors = function () {
    if (typeof window.XMLHttpRequest === 'undefined') {
      return false;
    }
    //Detect browser support for CORS
    if ('withCredentials' in new XMLHttpRequest()) {
      /* supports cross-domain requests */
      return true;
    } else if(typeof XDomainRequest !== "undefined"){
      //Use IE-specific "CORS" code with XDR
      return true;
    } else {
      //Time to retreat with a fallback or polyfill
      return false;
    }
  };
  
  _.xhr = function(cors) {
    if (cors) {
      if (typeof window.XMLHttpRequest !== 'undefined' && ("withCredentials" in new XMLHttpRequest())) {
        return new XMLHttpRequest();
      } else if (typeof XDomainRequest !== "undefined") {
        return new XDomainRequest();
      } else {
        return null;
      }
    } else {
      if (typeof window.XMLHttpRequest !== 'undefined') {
        return new XMLHttpRequest();
      }
      if (window.ActiveXObject) {
        try {
          return new ActiveXObject('Msxml2.XMLHTTP')
        } catch (d) {
          try {
            return new ActiveXObject('Microsoft.XMLHTTP')
          } catch (d) {
          }
        }
      }
    }
  };
  
  
  _.ajax = function(para) {
    para.timeout = para.timeout || 20000;
  
    para.credentials =  (typeof para.credentials) === 'undefined' ? true : para.credentials;
    function getJSON(data) {
      if(!data){
        return '';
      }
      try {
        return JSON.parse(data);
      } catch (e) {
        return {};
      }
    }
  
    var g = _.xhr(para.cors);
  
    if(!g) {
      return false;
    }
  
    if (!para.type) {
      para.type = para.data ? 'POST' : 'GET';
    }
    para = _.extend({
      success: function() {},
      error: function() {}
    }, para);
  
    try{
      if(typeof g === 'object' && ('timeout' in g)){
        g.timeout = para.timeout;
      }else{
       setTimeout(function(){
          g.abort();
        },para.timeout+500);
      }
    }catch(e){
       try{
         setTimeout(function(){
            g.abort();
          },para.timeout+500);
       }catch(e2){};
    };
  
    g.onreadystatechange = function() {
      try{
        if (g.readyState == 4) {
          if ((g.status >= 200 && g.status < 300) || g.status == 304) {
            para.success(getJSON(g.responseText));
          } else {
            para.error(getJSON(g.responseText), g.status);
          }
          g.onreadystatechange = null;
          g.onload = null;
        }
      }catch(e){
        g.onreadystatechange = null;
        g.onload = null;
      };
  
    };
  
    g.open(para.type, para.url, true);
  
    try {
      if(para.credentials){
        g.withCredentials = true;
      }
      if (_.isObject(para.header)) {
        for (var i in para.header) {
          g.setRequestHeader(i, para.header[i]);
        }
      }
  
      if (para.data) {
        if(!para.cors){
          g.setRequestHeader("X-Requested-With", "XMLHttpRequest");
        }
        if (para.contentType === 'application/json') {
          g.setRequestHeader("Content-type", "application/json; charset=UTF-8");
        } else {
          g.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        }
  
      }
    } catch (e) {};
  
    g.send(para.data || null);
  
  };
  
   _.loadScript = function(para) {
    para = _.extend({
      success: function() {},
      error: function() {},
      appendCall: function(g) {
        document.getElementsByTagName('head')[0].appendChild(g);
      }
    }, para);
  
      var g = null;
      if (para.type === 'css') {
        g = document.createElement('link');
        g.rel = 'stylesheet';
        g.href = para.url;
      }
      if (para.type === 'js') {
        g = document.createElement('script');
        g.async = 'async';
        g.setAttribute('charset','UTF-8');
        g.src = para.url;
        g.type = 'text/javascript';
      }
      g.onload = g.onreadystatechange = function() {
        if (!this.readyState || this.readyState === 'loaded' || this.readyState === 'complete') {
          para.success();
          g.onload = g.onreadystatechange = null;
        }
      };
      g.onerror = function() {
        para.error();
        g.onerror = null;
      };
      // if iframe
      para.appendCall(g);
  };
  
  _.getHostname = function(url, defaultValue) {
    if (!defaultValue || typeof defaultValue !== "string") {
      defaultValue = "hostname解析异常";
    }
    var hostname = null;
    try {
      hostname = _.URL(url).hostname;
    } catch (e) {
      // do nothing
    }
    return hostname || defaultValue;
  };
  
  _.getQueryParamsFromUrl = function(url) {
    var result = {};
    var arr = url.split('?');
    var queryString = arr[1] || '';
    if (queryString) {
      result = _.getURLSearchParams('?' + queryString);
    }
    return result;
  };
  
  /**
   * 查询得到URL参数
   * @param {string} queryString - 以问号开头的 query string
   * @return {Object} 一个含有参数列表的key/value对象
   *
   * @example
   * var url = _.getURLSearchParams('?project=testproject&query1=test&silly=willy&field[0]=zero&field[2]=two#test=hash&chucky=cheese');
   *
   * url.project; // => testproject
   */
  _.getURLSearchParams = function(queryString) {
    queryString = queryString || "";
    var decodeParam = function(str) {
      return decodeURIComponent(str);
    };
    var args = {};                             // Start with an empty object
    var query = queryString.substring(1);  // Get query string, minus '?'
    var pairs = query.split("&");              // Split at ampersands
    for(var i = 0; i < pairs.length; i++) {    // For each fragment
      var pos = pairs[i].indexOf('=');       // Look for "name=value"
      if (pos === -1) continue;               // If not found, skip it
      var name = pairs[i].substring(0,pos);  // Extract the name
      var value = pairs[i].substring(pos+1); // Extract the value
      name = decodeParam(name);       // Decode the name
      value = decodeParam(value);     // Decode the value
      args[name] = value;                    // Store as a property
    }
    return args;                               // Return the parsed arguments
  };
  
  /**
   * 解析URL
   * @param {string} url
   * @return {Object} 一个 URL 对象或者普通JS对象
   *
   * @example
   * var url = _.URL('http://www.domain.com:8080/path/index.html?project=testproject&query1=test&silly=willy&field[0]=zero&field[2]=two#test=hash&chucky=cheese');
   *
   * url.hostname; // => www.domain.com
   * url.searchParams.get('project'); // => testproject
   */
  _.URL = function(url) {
    var result = {};
    var basicProps = ['hash', 'host', 'hostname', 'href', 'origin', 'password', 'pathname', 'port', 'protocol', 'search', 'username'];
    // Some browsers allow objects to be created via URL constructor, but instances do not have the expected url properties.
    // See https://www.caniuse.com/#feat=url
    var isURLAPIWorking = function() {
      var url;
      try {
        url = new URL('http://modernizr.com/');
        return url.href === 'http://modernizr.com/';
      } catch (e) {
        return false;
      }
    };
    if (typeof window.URL === 'function' && isURLAPIWorking()) {
      result = new URL(url);
    } else {
      var _regex = /^https?:\/\/.+/;
      if(_regex.test(url) === false) {
        throw 'Invalid URL';
      }
      var link = document.createElement('a');
      link.href = url;
      for (var i = basicProps.length - 1; i >= 0; i--) {
        var prop = basicProps[i];
        result[prop] = link[prop];
      }
      if (result.hostname && typeof result.pathname === "string" && result.pathname.indexOf('/') !== 0) {
        result.pathname = '/' + result.pathname;
      }
      result.searchParams = (function(){
        var params = _.getURLSearchParams(result.search);
        return {
          get: function(searchParam) {
            return params[searchParam];
          }
        };
      })();
    }
    return result;
  };
  
  _.getCurrentDomain = function (url) {
      var sdDomain = sd.para.current_domain;
      switch (typeof (sdDomain)) {
          case "function":
              var resultDomain = sdDomain();
              if (resultDomain === "" || _.trim(resultDomain) === "") {
                  return 'url解析失败';
              } else if (resultDomain.indexOf(".")!== -1) {
                  return resultDomain;
              } else {
                return "url解析失败";
              }
          case "string":
              if (sdDomain === "" || _.trim(sdDomain) === "") {
                  return 'url解析失败';
              } else if (sdDomain.indexOf(".")!== -1) {
                  return sdDomain;
              } else {
                return "url解析失败";
              }
          default:
              var cookieTopLevelDomain = _.getCookieTopLevelDomain();
              if (url === '') {
                  return 'url解析失败';
              } else if (cookieTopLevelDomain === '') {
                  return 'url解析失败';
              } else {
                  return cookieTopLevelDomain;
              }
      }
  };
  
  _.getCookieTopLevelDomain = function(hostname) {
    hostname = hostname || window.location.hostname;
    /*
    if (hostname === 'localhost') {
      return hostname;
    }
    */
    var splitResult = hostname.split('.');
    if (_.isArray(splitResult) && splitResult.length >= 2 && !/^(\d+\.)+\d+$/.test(hostname)) {
      var domainStr = '.' + splitResult.splice(splitResult.length - 1, 1);
      while (splitResult.length > 0) {
        domainStr = '.' + splitResult.splice(splitResult.length - 1, 1) + domainStr;
        document.cookie = "sensorsdata_domain_test=true; path=/; domain=" + domainStr;
        if (document.cookie.indexOf('sensorsdata_domain_test=true') !== -1) {
          var now = new Date();
          now.setTime(now.getTime() - 1000);
          document.cookie = "sensorsdata_domain_test=true; expires=" + now.toGMTString() + "; path=/; domain=" + domainStr;
          return domainStr;
        }
      }
    }
    return '';
  };
  
  _.isReferralTraffic = function(refererstring) {
    refererstring =  refererstring || document.referrer;
    if (refererstring === "") {
      return true;
    }
  
    return _.getCookieTopLevelDomain(_.getHostname(refererstring)) !== _.getCookieTopLevelDomain();
  };
  
  
  _.ry = function(dom){
    return new _.ry.init(dom);
  };
  _.ry.init = function(dom){
    this.ele = dom;
  };
  _.ry.init.prototype = {
    addClass: function(para){
      var classes = ' ' + this.ele.className + ' ';
      if(classes.indexOf(' ' + para + ' ') === -1){
        this.ele.className = this.ele.className + (this.ele.className === '' ? '' : ' ') + para;
      }
      return this;
    },
    removeClass: function(para){
      var classes = ' ' + this.ele.className + ' ';
      if(classes.indexOf(' ' + para + ' ') !== -1){
        this.ele.className = classes.replace(' ' + para + ' ', ' ').slice(1,-1);
      }
      return this;
    },
    hasClass: function(para){
      var classes = ' ' + this.ele.className + ' ';
      if(classes.indexOf(' ' + para + ' ') !== -1){
        return true;
      }else{
        return false;
      }
    },
    attr: function(key,value){
      if(typeof key === 'string' && _.isUndefined(value)){
        return this.ele.getAttribute(key);
      }
      if(typeof key === 'string'){
        value = String(value);
        this.ele.setAttribute(key,value);
      }
      return this;
    },
    offset: function(){
        var rect = this.ele.getBoundingClientRect();
        if ( rect.width || rect.height ) {
          var doc = this.ele.ownerDocument;
          var docElem = doc.documentElement;
  
          return {
            top: rect.top + window.pageYOffset - docElem.clientTop,
            left: rect.left + window.pageXOffset - docElem.clientLeft
          };
        }else{
          return {
            top: 0,
            left: 0
          }
        }
  
    },
    getSize: function(){
      if (!window.getComputedStyle) {
        return {width: this.ele.offsetWidth, height: this.ele.offsetHeight};
      }
      try {
        var bounds = this.ele.getBoundingClientRect();
        return {width: bounds.width, height: bounds.height};
      } catch (e){
        return {width: 0, height: 0};
      }
    },
    getStyle: function(value){
      if(this.ele.currentStyle){
        return this.ele.currentStyle[value];
      }else{
        return this.ele.ownerDocument.defaultView.getComputedStyle(this.ele, null).getPropertyValue(value);
      }
    },
    wrap: function(elementTagName){
      var ele = document.createElement(elementTagName);
      this.ele.parentNode.insertBefore(ele, this.ele);
      ele.appendChild(this.ele);
      return _.ry(ele);
    },
    getCssStyle: function(prop){
      var result = this.ele.style.getPropertyValue(prop);
      if (result) {
          return result;
      }
      var rules = null;
      if(typeof window.getMatchedCSSRules === 'function'){
        rules = getMatchedCSSRules(this.ele);
      }
      if(!rules || !_.isArray(rules)){
        return null;
      }
      for (var i = rules.length - 1; i >= 0; i--) {
          var r = rules[i];
          result = r.style.getPropertyValue(prop);
          if (result) {
              return result;
          }
      }
    },
    sibling:function(cur, dir ){
      while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
      return cur;
    },
    next: function() {
      return this.sibling( this.ele, "nextSibling" );
    },
    prev: function( elem ) {
      return this.sibling( this.ele, "previousSibling" );
    },
    siblings: function( elem ) {
      return this.siblings( ( this.ele.parentNode || {} ).firstChild, this.ele);
    },
    children: function( elem ) {
      return this.siblings( this.ele.firstChild );
    },
    parent: function(){
      var parent = this.ele.parentNode;
      parent = parent && parent.nodeType !== 11 ? parent : null;
      return _.ry(parent);
    }
  };
  
  _.strToUnicode = function(str){
    if(typeof str !== 'string'){
      sd.log('转换unicode错误',str);
      return str;
    }
    var nstr = '';
    for(var i = 0; i<str.length; i++){
      nstr += '\\'+str.charCodeAt(i).toString(16);
    }
    return nstr;
  };
  
  /* _.querySelectorAll = function(val){
  
    if(typeof val !== 'string'){
      sd.log('选择器错误',val);
      return [];
    }
    // 替换纯数字的id
    var sp = val.split(' ');
    if(sp.length === 1){
      if(/^#\d+/.test(sp[0])){
        val = '#' + _.strToUnicode(sp[0].slice(1));
      }
    }else{
      if(/^#\d+/.test(sp[0])){
        sp[0] = '#' + _.strToUnicode(sp[0].slice(1));
        val = sp.join(' ');
      }
    }
  
    try{
       return document.querySelectorAll(val);
    }catch(e){
      sd.log('错误',val);
      return [];
    }
  }; */
  
  _.getReferrer = function(referrer){
    var referrer = referrer || document.referrer;
    if(typeof referrer !== 'string'){
      return '取值异常_referrer异常_' + String(referrer);
    }
    if (referrer.indexOf("https://www.baidu.com/") === 0) {
      referrer =  referrer.split('?')[0];
    }
    referrer = referrer.slice(0, sd.para.max_referrer_string_length);
    return (typeof referrer === 'string' ? referrer : '' );
  };
  
  _.getKeywordFromReferrer = function(referrerUrl){
    referrerUrl = referrerUrl || document.referrer;
    var search_keyword = sd.para.source_type.keyword;
    if(document && typeof referrerUrl === 'string'){
      if(referrerUrl.indexOf('http') === 0) {
        var searchEngine = _.getReferSearchEngine(referrerUrl);
        var query = _.getQueryParamsFromUrl(referrerUrl);
        if (_.isEmptyObject(query)) {
          return '未取到值';
        }
        var temp = null;
        for(var i in search_keyword){
          if (searchEngine === i) {
            if(typeof query === 'object'){
              temp = search_keyword[i];
              if(_.isArray(temp)){
                for(var i = 0; i < temp.length; i++){
                  var _value = query[temp[i]];
                  if(_value){
                    return _value;
                  }
                }
              } else if (query[temp]){
                return query[temp];
              }
            }
          }
        }
        return '未取到值';
      }else{
        if(referrerUrl === ''){
          return '未取到值_直接打开';
        }else{
          return '未取到值_非http的url';
        }
      }
    }else{
      return '取值异常_referrer异常_' + String(referrerUrl);
    }
  };
  
  _.getReferSearchEngine = function(referrerUrl) {
    var hostname = _.getHostname(referrerUrl);
    if (!hostname || hostname === 'hostname解析异常') {
      return '';
    }
    var search_keyword = sd.para.source_type.keyword;
    var searchEngineUrls = {
      baidu: [/^.*\.baidu\.com$/],
      bing: [/^.*\.bing\.com$/],
      google: [/^www\.google\.com$/, /^www\.google\.com\.[a-z]{2}$/, /^www\.google\.[a-z]{2}$/],
      sm: [/^m\.sm\.cn$/],
      so: [/^.+\.so\.com$/],
      sogou: [/^.*\.sogou\.com$/],
      yahoo: [/^.*\.yahoo\.com$/]
    };
    for (var prop in searchEngineUrls) {
      var urls = searchEngineUrls[prop];
      for (var i = 0, len = urls.length; i < len; i++) {
        if (urls[i].test(hostname)) {
          return prop;
        }
      }
    }
    return '未知搜索引擎';
  };
  
  _.getSourceFromReferrer = function(){
    function getMatchStrFromArr(arr,str){
      for(var i = 0; i<arr.length; i++){
        if(str.split('?')[0].indexOf(arr[i]) !== -1){
          return true;
        }
      }
    }
  
    var utm_reg='(' + sd.para.source_type.utm.join('|') + ')\\=[^&]+';
    var search_engine = sd.para.source_type.search;
    var social_engine = sd.para.source_type.social;
  
    var referrer = document.referrer || '';
    var url = _.info.pageProp.url;
    if(url){
      var utm_match = url.match(new RegExp(utm_reg));
      if(utm_match && utm_match[0]){
        return '付费广告流量';
      }else if(getMatchStrFromArr(search_engine,referrer)){
        return '自然搜索流量';
      }else if(getMatchStrFromArr(social_engine,referrer)){
        return '社交网站流量';
      }else if(referrer === ''){
        return '直接流量';
      }else{
        return '引荐流量';
      }
    }else{
      return '获取url异常';
    }
  };
  
  _.info = {
    initPage: function() {
      var referrer = _.getReferrer();
      var url = location.href;
      var url_domain = _.getCurrentDomain(url);
      if(!url_domain){
        // TODO
        //_.jssdkDebug('url_domain异常_'+ url + '_' + url_domain);
        sd.debug.jssdkDebug('url_domain异常_'+ url + '_' + url_domain);
      }
  
      this.pageProp = {
        referrer: referrer,
        referrer_host: referrer ? _.getHostname(referrer) : "",
        url: url,
        url_host: _.getHostname(url, 'url_host取值异常'),
        url_domain: url_domain
      };
  
  
    },
    //当前页面的一些属性，在store初始化是生成
    pageProp: {},
  
    campaignParams: function() {
      var campaign_keywords = sd.source_channel_standard.split(' ')
        , kw = ''
        , params = {};
      if (_.isArray(sd.para.source_channel) && sd.para.source_channel.length > 0) {
        campaign_keywords = campaign_keywords.concat(sd.para.source_channel);
        campaign_keywords = _.unique(campaign_keywords);
      }
      _.each(campaign_keywords, function(kwkey) {
        kw = _.getQueryParam(location.href, kwkey);
        if (kw.length) {
          params[kwkey] = kw;
        }
      });
  
      return params;
    },
    campaignParamsStandard: function(prefix,prefix_add) {
      prefix = prefix || '';
      prefix_add = prefix_add || '';
      var utms = _.info.campaignParams();
      var $utms = {}, otherUtms = {};
      for (var i in utms) {
        if ((' ' + sd.source_channel_standard + ' ').indexOf(' ' + i + ' ') !== -1) {
          $utms[prefix + i] = utms[i];
        } else {
          otherUtms[prefix_add + i] = utms[i];
        }
      }
      return {
        $utms: $utms,
        otherUtms: otherUtms
      };
    },
    // 预置属性
    properties: function() {
      return {
        $screen_height: Number(screen.height) || 0,
        $screen_width: Number(screen.width) || 0,
        // 我说两遍写的重复，佳捷说就写两遍
        $lib: 'js',
        $lib_version: String(sd.lib_version)
      };
    },
    // 保存临时的一些变量，只针对当前页面有效
    currentProps: {},
    register: function(obj) {
      _.extend(_.info.currentProps, obj);
    }
  };
  
  
  
  
  // 发送队列
  _.autoExeQueue = function(){
    var queue = {
      // 简单队列
      items : [],
      enqueue: function(val){
        this.items.push(val);
        this.start();
      },
      dequeue: function(){
        return this.items.shift();
      },
      getCurrentItem: function(){
        return this.items[0];
      },
      // 自动循环执行队列
      isRun: false,
      start: function(){
        if(this.items.length > 0 && !this.isRun){
          this.isRun = true;
          this.getCurrentItem().start();
        }
      },
      close: function(){
        this.dequeue();
        this.isRun = false;
        this.start();
      }
    };
    return queue;
  };
  
  
  
    _.trackLink = function(obj,event_name,event_prop){
      obj = obj || {};
      var link = null;
      if(obj.ele){
        link = obj.ele;
      }
      if(obj.event){
        if(obj.target){
           link = obj.target;
         }else{
           link = obj.event.target;
         }
      }
  
      event_prop = event_prop || {};
      if(!link || (typeof link !== 'object')){
        return false;
      }
      // 如果是非当前页面会跳转的链接，直接track
      if (!link.href || /^javascript/.test(link.href) || link.target || link.download || link.onclick) {
        sd.track(event_name, event_prop);
        return false;
      }
      function linkFunc(e){
        e.stopPropagation();
        e.preventDefault();   // 阻止默认跳转
        var hasCalled = false;
        function track_a_click(){
          if (!hasCalled) {
            hasCalled = true;
            location.href = link.href;  //把 A 链接的点击跳转,改成 location 的方式跳转
          }
        }
        setTimeout(track_a_click, 1000);  //如果没有回调成功，设置超时回调
        sd.track(event_name, event_prop, track_a_click); //把跳转操作加在callback里
      }
      if(obj.event){
        linkFunc(obj.event);
      }
      if(obj.ele){
        _.addEvent(obj.ele,'click',function(e){
          linkFunc(e);
        });
      }
    };
  
  
  
  
  })();
  
  
  /*
  sd的各个方法，包含sdk的一些基本功能
  */
  
  
   sd.para_default = {
    preset_properties: {
      latest_utm: true,
      latest_traffic_source_type: true,
      latest_search_keyword: true,
      latest_referrer: true,
      latest_referrer_host: false,
      latest_landing_page: false,
      url: false,
      title: false
    },
    img_use_crossorigin: false,
      //scrollmap:{delay:6000}
  
      name: 'sa',
      // referrer字符串截取
      max_referrer_string_length: 200,
      //通用字符串截取，超过7000的字符串会导致url超长发不出去，所以限制长度
      max_string_length: 500,
      //    send_error_event: true,
      cross_subdomain: true,
      show_log: true,
      is_debug: false,
      debug_mode: false,
      debug_mode_upload: false,
  
      // todo 前端session时长
      session_time: 0,
  
      use_client_time: false,
      //来源参数名字
      source_channel: [],
  
      send_type: 'image',
  
      // 七鱼过滤id
      vtrack_ignore: {},
  
      auto_init: true,
  
      is_track_single_page: false,
  
      is_single_page: false,
  
      batch_send: false,
  
      // 如果要设置，设置数组
      source_type: {},
      callback_timeout: 200,
      datasend_timeout: 3000,
      queue_timeout: 300,
      is_track_device_id: false,
      use_app_track: false,
      ignore_oom: true
    };
  
  sd.addReferrerHost = function(data) {
    var defaultHost = "取值异常";
    if (_.isObject(data.properties)) {
      if (data.properties.$first_referrer) {
        data.properties.$first_referrer_host = _.getHostname(data.properties.$first_referrer, defaultHost);
      }
      if (data.type === "track") {
        if ('$referrer' in data.properties) {
          data.properties.$referrer_host = data.properties.$referrer === "" ? "" : _.getHostname(data.properties.$referrer, defaultHost);
        }
        if (sd.para.preset_properties.latest_referrer && sd.para.preset_properties.latest_referrer_host) {
          data.properties.$latest_referrer_host = data.properties.$latest_referrer === "" ? "" : _.getHostname(data.properties.$latest_referrer, defaultHost);
        }
      }
    }
  };
  
  sd.addPropsHook = function(data) {
    if (sd.para.preset_properties && sd.para.preset_properties.url && data.type === "track" && typeof data.properties.$url === 'undefined') {
      data.properties.$url = window.location.href;
    }
    if (sd.para.preset_properties && sd.para.preset_properties.title && data.type === "track" && typeof data.properties.$title === 'undefined') {
      data.properties.$title = document.title;
    }
  };
  
  sd.initPara = function(para){
      // 默认配置
    sd.para = para || sd.para || {};
    var latestObj = {};
    if(_.isObject(sd.para.is_track_latest)){
      for (var latestProp in sd.para.is_track_latest) {
        latestObj['latest_' + latestProp] = sd.para.is_track_latest[latestProp];
      }
    }
  
    sd.para.preset_properties = _.extend({}, sd.para_default.preset_properties, latestObj, sd.para.preset_properties || {});
  
    var i;
    // 合并配置
    for (i in sd.para_default) {
      if (sd.para[i] === void 0) {
        sd.para[i] = sd.para_default[i];
      }
    }
    // 修复没有配置协议的问题，自动取当前页面的协议
    if(typeof sd.para.server_url === 'string' && sd.para.server_url.slice(0,3) === '://'){
      sd.para.server_url = location.protocol + sd.para.server_url;
    }
    if(typeof sd.para.web_url === 'string' && sd.para.web_url.slice(0,3) === '://'){
      sd.para.web_url = location.protocol + sd.para.web_url;
    }
  
    if(sd.para.send_type !== 'image' && sd.para.send_type !== 'ajax' && sd.para.send_type !== 'beacon'){
      sd.para.send_type = 'image';
    }
  
    var batch_send_default = {
      datasend_timeout: 6000,
      send_interval: 6000,
      one_send_max_length: 6
    };
  
    if(_.localStorage.isSupport() && _.isSupportCors() && typeof localStorage === 'object'){
      if (sd.para.batch_send === true) {
        sd.para.batch_send = _.extend({}, batch_send_default);
        sd.para.use_client_time = true;
      }else if(typeof sd.para.batch_send === 'object'){
        sd.para.use_client_time = true;
        sd.para.batch_send = _.extend({}, batch_send_default, sd.para.batch_send);
      }
    }else{
      sd.para.batch_send = false;
    }
  
  
    var utm_type = ['utm_source','utm_medium','utm_campaign','utm_content','utm_term'];
    var search_type = ['www.baidu.','m.baidu.','m.sm.cn','so.com','sogou.com','youdao.com','google.','yahoo.com/','bing.com/','ask.com/'];
    var social_type = ['weibo.com','renren.com','kaixin001.com','douban.com','qzone.qq.com','zhihu.com','tieba.baidu.com','weixin.qq.com'];
    var search_keyword = {baidu:['wd','word','kw','keyword'],google:'q',bing:'q',yahoo:'p',sogou:['query','keyword'],so:'q',sm:'q'};
  
    if(typeof sd.para.source_type === 'object'){
      sd.para.source_type.utm = _.isArray(sd.para.source_type.utm) ? sd.para.source_type.utm.concat(utm_type) : utm_type;
      sd.para.source_type.search = _.isArray(sd.para.source_type.search) ? sd.para.source_type.search.concat(search_type) : search_type;
      sd.para.source_type.social = _.isArray(sd.para.source_type.social) ? sd.para.source_type.social.concat(social_type) : social_type;
      sd.para.source_type.keyword = _.isObject(sd.para.source_type.keyword) ?  _.extend(search_keyword,sd.para.source_type.keyword) : search_keyword;
    }
  
    if(_.isObject(sd.para.heatmap)) {
      sd.para.heatmap.clickmap = sd.para.heatmap.clickmap || 'default';
      sd.para.heatmap.scroll_notice_map = sd.para.heatmap.scroll_notice_map || 'default';
      sd.para.heatmap.scroll_delay_time = sd.para.heatmap.scroll_delay_time || 4000;
      sd.para.heatmap.scroll_event_duration = sd.para.heatmap.scroll_event_duration || 18000; // The max value of $event_duration property for $WebStay event, in seconds (5 Hours).
      sd.para.heatmap.renderRefreshTime = sd.para.heatmap.renderRefreshTime || 1000;
      sd.para.heatmap.loadTimeout = sd.para.heatmap.loadTimeout || 1000;
    }
    // 优化配置
    if(typeof sd.para.server_url === 'object' && sd.para.server_url.length){
      for(i = 0; i < sd.para.server_url.length; i++){
        if (!/sa\.gif[^\/]*$/.test(sd.para.server_url[i])) {
          sd.para.server_url[i] = sd.para.server_url[i].replace(/\/sa$/, '/sa.gif').replace(/(\/sa)(\?[^\/]+)$/, '/sa.gif$2');
        }
      }
    }else if (!/sa\.gif[^\/]*$/.test(sd.para.server_url)) {
      sd.para.server_url = sd.para.server_url.replace(/\/sa$/, '/sa.gif').replace(/(\/sa)(\?[^\/]+)$/, '/sa.gif$2');
    }
    if(typeof sd.para.server_url === 'string'){
      sd.para.debug_mode_url = sd.para.debug_mode_url || sd.para.server_url.replace('sa.gif', 'debug');
    }
    // 是否需要非cache，等于每次请求文件
    if (sd.para.noCache === true) {
      sd.para.noCache = '?' + (new Date()).getTime();
    } else {
      sd.para.noCache = '';
    }
  
    if (sd.para.callback_timeout > sd.para.datasend_timeout) {
      sd.para.datasend_timeout = sd.para.callback_timeout;
    }
    if (sd.para.callback_timeout > sd.para.queue_timeout) {
      sd.para.queue_timeout = sd.para.callback_timeout;
    }
    if (sd.para.queue_timeout > sd.para.datasend_timeout) {
      sd.para.datasend_timeout = sd.para.queue_timeout;
    }
  
  };
  
  
  // sa 当前状态管理
  sd.readyState = {
    state : 0,
    historyState:[],
    stateType: {
      '1': '1-init未开始',
      '2': '2-init开始',
      '3': '3-store完成'
    },
    getState : function(){
      return this.historyState.join('\n');
    },
    setState:function(n){
      if(String(n) in this.stateType){
        this.state = n;
      }
      this.historyState.push(this.stateType[n]);
    }
  };
  
  
  sd.setPreConfig = function(sa){
    sd.para = sa.para;
    sd._q = sa._q;
  };
  
  
  sd.setInitVar= function(){
    sd._t = sd._t || 1 * new Date();
    sd.lib_version = '1.14.21';
    sd.is_first_visitor = false;
    // 标准广告系列来源
    sd.source_channel_standard = 'utm_source utm_medium utm_campaign utm_content utm_term';
  };
  
  sd.log = function() {
    if((_.sessionStorage.isSupport() && sessionStorage.getItem('sensorsdata_jssdk_debug') === 'true') || sd.para.show_log){
  
      if(sd.para.show_log === true || sd.para.show_log === 'string' || sd.para.show_log === false){
        arguments[0] = _.formatJsonString(arguments[0]);
      }
  
      if (typeof console === 'object' && console.log) {
        try {
          return console.log.apply(console, arguments);
        } catch (e) {
          console.log(arguments[0]);
        }
      }
    }
  };
  
  /**
   * 设置 sessionStorage 开启本地控制台日志输出
   */
  sd.enableLocalLog = function() {
    if(_.sessionStorage.isSupport()) {
      try {
        sessionStorage.setItem('sensorsdata_jssdk_debug', 'true');
      } catch (e) {
        sd.log('enableLocalLog error: ' + e.message);
        // handle the exception here.
      }
    }
  };
  
  /**
   * 删除 sessionStorage 关闭本地控制台日志输出
   */
  sd.disableLocalLog = function() {
    if(_.sessionStorage.isSupport()) {
      sessionStorage.removeItem('sensorsdata_jssdk_debug');
    }
  };
  
  sd.debug = {
    distinct_id: function() {
      /*
      var relation = {
        'e-0': '未知错误',
        'e-1': 'toState()传值的数据中缺少distinct_id，SDK自动分配distinct_id',
        'e-2': 'toState()传值的数据不是一个有效的JSON字符串，SDK自动分配distinct_id'
      };
      var debug_info = relation['e-' + key] || relation['e-0'];
      if (sd.para.is_debug === true || sd.para.is_debug.distinct_id === true) {
        sd.log(debug_info);
        this._sendDebug('distinct_id-' + key + '-' + JSON.stringify(data));
      }
      */
    },
    jssdkDebug: function() {
      /*
      if (sd.para.is_debug === true) {
        if(_.isString(recevie_prop)){
          this._sendDebug(recevie_prop);
        }else{
          var cookie = store.getCookieName();
          var match = document.cookie.match(new RegExp(cookie + '[^;]+'));
          if(match && match[0] ){
            cookie = match[0];
          }else{
            cookie = '';
          }
          recevie_prop._jssdk_debug_info = '(' + cookie + ')' + navigator.userAgent;
          this._sendDebug(JSON.stringify(recevie_prop));
        }
      }
      */
    },
    _sendDebug: function(debugString) {
      sd.track('_sensorsdata2019_debug', {
        _jssdk_debug_info: debugString
      });
    },
    apph5: function(obj){
      var name = 'app_h5打通失败-';
      var relation = {
        '1': name + 'use_app_track为false',
        '2': name + 'Android或者iOS，没有暴露相应方法',
        '3.1': name + 'Android校验server_url失败',
        '3.2': name + 'iOS校验server_url失败'
      };
      var output = obj.output;
      var step = obj.step;
      var data = obj.data;
      // 控制台输出
      if(output === 'all' || output === 'console'){
        sd.log(relation[step]);
      }
      // 代码输出
      if((output === 'all' || output === 'code') && _.isObject(sd.para.is_debug) && sd.para.is_debug.apph5){
        if (!data.type || data.type.slice(0, 7) !== 'profile') {
          data.properties._jssdk_debug_info = 'apph5-' + String(step);
        }
      }
    }
  };
  
    var commonWays = {
      setOnlineState:function(state){
        if(state === true && _.isObject(sd.para.jsapp) && typeof sd.para.jsapp.getData === 'function'){
          sd.para.jsapp.isOnline = true;
          var arr = sd.para.jsapp.getData();
          if(_.isArray(arr) && arr.length > 0){
            _.each(arr,function(str){
              if(_.isJSONString(str)){
                sd.sendState.pushSend(JSON.parse(str));
              }
            });
          }
        }else{
          sd.para.jsapp.isOnline = false;
        }
      },
      autoTrackIsUsed:false,
      isReady:function(callback){
        callback();
      },
      // 获取谷歌标准参数
      getUtm: function() {
        return _.info.campaignParams();
      },
      // 获取当前页面停留时间
      getStayTime: function() {
        return ((new Date()) - sd._t) / 1000;
      },
      setProfileLocal: function(obj){
        if(!_.localStorage.isSupport()){
          sd.setProfile(obj);
          return false;
        }
        if(!_.isObject(obj) || _.isEmptyObject(obj)){
          return false;
        }
        var saveData = _.localStorage.parse('sensorsdata_2015_jssdk_profile');
        var isNeedSend = false;
        if(_.isObject(saveData) && !_.isEmptyObject(saveData)){
          for(var i in obj){
            if((i in saveData && saveData[i] !== obj[i]) || !(i in saveData)){
              saveData[i] = obj[i];
              isNeedSend = true;
            }
          }
          if(isNeedSend){
            _.localStorage.set('sensorsdata_2015_jssdk_profile',JSON.stringify(saveData));
            sd.setProfile(obj);
          }
        }else{
          _.localStorage.set('sensorsdata_2015_jssdk_profile',JSON.stringify(obj));
          sd.setProfile(obj);
        }
       },
      //set init referrer
      setInitReferrer: function() {
        var _referrer = _.getReferrer();
        sd.setOnceProfile({
          _init_referrer: _referrer,
          _init_referrer_host: _.info.pageProp.referrer_host
        });
      },
      // set init sessionRegister cookie
      setSessionReferrer: function() {
        var _referrer = _.getReferrer();
        store.setSessionPropsOnce({
          _session_referrer: _referrer,
          _session_referrer_host: _.info.pageProp.referrer_host
        });
      },
      // set default referrr and pageurl
      setDefaultAttr: function() {
        _.info.register({
          _current_url: location.href,
          _referrer: _.getReferrer(),
          _referring_host: _.info.pageProp.referrer_host
        });
      },
      trackHeatMap: function(target, props, callback){
        if((typeof target === 'object') && target.tagName){
          var tagName = target.tagName.toLowerCase();
          var parent_ele = target.parentNode.tagName.toLowerCase();
          if (tagName !== 'button' && tagName !== 'a' && parent_ele !== 'a' && parent_ele !== 'button' && tagName !== 'input' && tagName !== 'textarea') {
            heatmap.start(null,target,tagName, props, callback);
          }
        }
      },
      trackAllHeatMap: function(target, props, callback){
        if((typeof target === 'object') && target.tagName){
          var tagName = target.tagName.toLowerCase();
          heatmap.start(null,target,tagName, props, callback);
        }
      },
      autoTrackSinglePage:function(para,callback){
        if(this.autoTrackIsUsed){
          var url = _.info.pageProp.url;
        }else{
          var url = _.info.pageProp.referrer;
        }
        para = _.isObject(para) ? para : {};
  
        para = _.isObject(para) ? para : {};
  
  
        function getUtm(){
          var utms = _.info.campaignParams();
          var $utms = {};
          for (var i in utms) {
            if ((' ' + sd.source_channel_standard + ' ').indexOf(' ' + i + ' ') !== -1) {
              $utms['$' + i] = utms[i];
            } else {
              $utms[i] = utms[i];
            }
          }
          return $utms;
        }
  
        if (sd.is_first_visitor && !para.not_set_profile) {
          sd.setOnceProfile(_.extend({
            // 暂时隐藏，等extractor都部署上去 $first_landing_page: _.info.pageProp.url.slice(0, sd.para.max_referrer_string_length),
            $first_visit_time: new Date(),
            $first_referrer: _.getReferrer(),
            $first_browser_language: navigator.language || '取值异常',
            $first_browser_charset: typeof document.charset === 'string' ? document.charset.toUpperCase() : '取值异常',
            $first_traffic_source_type: _.getSourceFromReferrer(),
            $first_search_keyword: _.getKeywordFromReferrer()
          }, getUtm())
          );
          sd.is_first_visitor = false;
        }
        if(para.not_set_profile){
          delete para.not_set_profile;
        }
  
  
        function closure(p,c){
          sd.track('$pageview', _.extend({
              $referrer: url,
              $url: location.href,
              $url_path: location.pathname,
              $title: document.title
            }, p, getUtm()),c
          );
          url = location.href;
        }
        closure(para,callback);
        this.autoTrackSinglePage = closure;
      },
      autoTrackWithoutProfile: function(para,callback){
        para = _.isObject(para) ? para : {};
        this.autoTrack(_.extend(para,{not_set_profile:true}),callback);
      },
      autoTrack: function(para, callback) {
        para = _.isObject(para) ? para : {};
  
        var utms = _.info.campaignParams();
        var $utms = {};
        for (var i in utms) {
          if ((' ' + sd.source_channel_standard + ' ').indexOf(' ' + i + ' ') !== -1) {
            $utms['$' + i] = utms[i];
          } else {
            $utms[i] = utms[i];
          }
        }
        // setOnceProfile 如果是新用户，且允许设置profile
        if (sd.is_first_visitor && !para.not_set_profile) {
          sd.setOnceProfile(_.extend({
              // 暂时隐藏，等extractor都部署上去 $first_landing_page: _.info.pageProp.url.slice(0, sd.para.max_referrer_string_length),
              $first_visit_time: new Date(),
              $first_referrer: _.getReferrer(),
              $first_browser_language: navigator.language || '取值异常',
              $first_browser_charset: typeof document.charset === 'string' ? document.charset.toUpperCase() : '取值异常',
              $first_traffic_source_type: _.getSourceFromReferrer(),
              $first_search_keyword: _.getKeywordFromReferrer()
            }, $utms)
          );
          sd.is_first_visitor = false;
        }
        if(para.not_set_profile){
          delete para.not_set_profile;
        }
  
        // 解决单页面的referrer问题
        var current_page_url = location.href;
  
        if(sd.para.is_single_page){
          _.addHashEvent(function(){
            var referrer = _.getReferrer(current_page_url);
            sd.track('$pageview', _.extend({
                $referrer: referrer,
                $url: location.href,
                $url_path: location.pathname,
                $title: document.title
              }, $utms, para),callback
            );
            current_page_url = location.href;
          });
        }
  
        sd.track('$pageview', _.extend({
            $referrer: _.getReferrer(),
            $url: location.href,
            $url_path: location.pathname,
            $title: document.title
          }, $utms, para),callback
        );
        this.autoTrackIsUsed=true;
      },
      getAnonymousID:function(){
        if(_.isEmptyObject(sd.store._state)){
          return '请先初始化SDK';
        }else{
          return sd.store._state.first_id ? sd.store._state.first_id : sd.store._state.distinct_id;
        }
      }
  
  
    };
  
    // 一些常见的方法
    sd.quick = function() {
      var arg = Array.prototype.slice.call(arguments);
      var arg0 = arg[0];
      var arg1 = arg.slice(1);
      if (typeof arg0 === 'string' && commonWays[arg0]) {
        return commonWays[arg0].apply(commonWays, arg1);
      } else if (typeof arg0 === 'function') {
        arg0.apply(sd, arg1);
      } else {
        sd.log('quick方法中没有这个功能' + arg[0]);
      }
    };
  
  
    /*
     * @param {string} event
     * @param {string} properties
     * */
    sd.track = function(e, p, c) {
      if (saEvent.check({event: e, properties: p})) {
        saEvent.send({
          type: 'track',
          event: e,
          properties: p
        }, c);
      }
    };
  
    sd.trackLink = function(link,event_name,event_prop){
      if(typeof link === 'object' && link.tagName){
        _.trackLink({ele:link},event_name,event_prop);
      }else if(typeof link === 'object' && link.target && link.event){
        _.trackLink(link,event_name,event_prop);
      }
    };
      // 跟踪链接
    sd.trackLinks = function(link,event_name,event_prop){
      var ele = link;
      event_prop = event_prop || {};
      if(!link || (typeof link !== 'object')){
        return false;
      }
      if (!link.href || /^javascript/.test(link.href) || link.target) {
        return false;
      }
      _.addEvent(link,'click',function(e){
        e.preventDefault();   // 阻止默认跳转
        var hasCalled = false;
        setTimeout(track_a_click, 1000);  //如果没有回调成功，设置超时回调
        function track_a_click(){
          if (!hasCalled) {
            hasCalled = true;
            location.href = link.href;  //把 A 链接的点击跳转,改成 location 的方式跳转
          }
        }
        sd.track(event_name, event_prop, track_a_click); //把跳转操作加在callback里
      });
  
    };
  
  
    /*
     * @param {object} properties
     * */
    sd.setProfile = function(p, c) {
      if (saEvent.check({propertiesMust: p})) {
        saEvent.send({
          type: 'profile_set',
          properties: p
        }, c);
      }
    };
  
    sd.setOnceProfile = function(p, c) {
      if (saEvent.check({propertiesMust: p})) {
        saEvent.send({
          type: 'profile_set_once',
          properties: p
        }, c);
      }
    };
  
    /*
     * @param {object} properties
     * */
    sd.appendProfile = function(p, c) {
      if (saEvent.check({propertiesMust: p})) {
        _.each(p, function(value, key) {
          if (_.isString(value)) {
            p[key] = [value];
          } else if (_.isArray(value)) {
  
          } else {
            delete p[key];
            sd.log('appendProfile属性的值必须是字符串或者数组');
          }
        });
        if (!_.isEmptyObject(p)) {
          saEvent.send({
            type: 'profile_append',
            properties: p
          }, c);
        }
      }
    };
    /*
     * @param {object} properties
     * */
    sd.incrementProfile = function(p, c) {
      var str = p;
      if (_.isString(p)) {
        p = {}
        p[str] = 1;
      }
      function isChecked(p) {
        for (var i in p) {
          if (!/-*\d+/.test(String(p[i]))) {
            return false;
          }
        }
        return true;
      }
  
      if (saEvent.check({propertiesMust: p})) {
        if (isChecked(p)) {
          saEvent.send({
            type: 'profile_increment',
            properties: p
          }, c);
        } else {
          sd.log('profile_increment的值只能是数字');
        }
      }
    };
  
    sd.deleteProfile = function(c) {
      saEvent.send({
        type: 'profile_delete'
      }, c);
      store.set('distinct_id', _.UUID());
      store.set('first_id','');
    };
    /*
     * @param {object} properties
     * */
    sd.unsetProfile = function(p, c) {
      var str = p;
      var temp = {};
      if (_.isString(p)) {
        p = [];
        p.push(str);
      }
      if (_.isArray(p)) {
        _.each(p, function(v) {
          if (_.isString(v)) {
            temp[v] = true;
          } else {
            sd.log('profile_unset给的数组里面的值必须时string,已经过滤掉', v);
          }
        });
        saEvent.send({
          type: 'profile_unset',
          properties: temp
        }, c);
      } else {
        sd.log('profile_unset的参数是数组');
      }
    };
    /*
     * @param {string} distinct_id
     * */
    sd.identify = function(id, isSave) {
      if(typeof id === 'number'){
        id = String(id);
      }
      var firstId = store.getFirstId();
      if (typeof id === 'undefined') {
        if(firstId){
          store.set('first_id', _.UUID());
        }else{
          store.set('distinct_id', _.UUID());
        }
      } else if (saEvent.check({distinct_id: id})) {
        if (isSave === true) {
          if(firstId){
            store.set('first_id', id);
          }else{
            store.set('distinct_id', id);
          }
        } else {
          if(firstId){
            store.change('first_id', id);
          }else{
            store.change('distinct_id', id);
          }
        }
  
      } else {
        sd.log('identify的参数必须是字符串');
      }
    };
    /*
     * 这个接口是一个较为复杂的功能，请在使用前先阅读相关说明:http://www.sensorsdata.cn/manual/track_signup.html，并在必要时联系我们的技术支持人员。
     * @param {string} distinct_id
     * @param {string} event
     * @param {object} properties
     * */
    sd.trackSignup = function(id, e, p, c) {
      if (saEvent.check({distinct_id: id, event: e, properties: p})) {
        var original_id = store.getFirstId() || store.getDistinctId();
        store.set('distinct_id', id);
        saEvent.send({
          original_id: original_id,
          distinct_id: id,
          type: 'track_signup',
          event: e,
          properties: p
        }, c);
      }
    };
  
    /*
     * @param {string} testid
     * @param {string} groupid
     * */
    sd.trackAbtest = function(t, g) {
      /*
       if (saEvent.check({test_id: t, group_id: g})) {
       saEvent.send({
       type: 'track_abtest',
       properties: {
       test_id: t,
       group_id: g
       }
       });
       }*/
    };
  
    /**
     * Register a set of properties, which are included with all events.
     *
     * @param {Object} obj - An object of properties to be registered.
     *
     */
    sd.registerPage = function(obj) {
      if (saEvent.check({properties: obj})) {
        _.extend(_.info.currentProps, obj);
      } else {
        sd.log('register输入的参数有误');
      }
    };
  
    sd.clearAllRegister = function(arr){
      store.clearAllProps(arr);
    };
  
    sd.register = function(props) {
      if (saEvent.check({properties: props})) {
        store.setProps(props);
      } else {
        sd.log('register输入的参数有误');
      }
    };
  
    sd.registerOnce = function(props) {
      if (saEvent.check({properties: props})) {
        store.setPropsOnce(props);
      } else {
        sd.log('registerOnce输入的参数有误');
      }
    };
  
    sd.registerSession = function(props) {
      if (saEvent.check({properties: props})) {
        store.setSessionProps(props);
      } else {
        sd.log('registerSession输入的参数有误');
      }
    };
  
    sd.registerSessionOnce = function(props) {
      if (saEvent.check({properties: props})) {
        store.setSessionPropsOnce(props);
      } else {
        sd.log('registerSessionOnce输入的参数有误');
      }
    };
  
    sd.login = function(id, callback){
      if(typeof id === 'number'){
        id = String(id);
      }
      if (saEvent.check({distinct_id: id})) {
        var firstId = store.getFirstId();
        var distinctId = store.getDistinctId();
        if(id !== distinctId){
          if(!firstId){
            store.set('first_id',distinctId);
          }
          sd.trackSignup(id,'$SignUp', {}, callback);
        } else {
          callback && callback();
        }
      } else {
        sd.log('login的参数必须是字符串');
        callback && callback();
      }
    };
  
    sd.logout = function(isChangeId){
      var firstId = store.getFirstId();
      if(firstId){
        store.set('first_id','');
        if(isChangeId === true){
          store.set('distinct_id',_.UUID());
        }else{
          store.set('distinct_id',firstId);
        }
      }else{
        sd.log('没有first_id，logout失败');
      }
    };
  
    sd.getPresetProperties = function(){
      function getUtm(){
         var utms = _.info.campaignParams();
         var $utms = {};
         for (var i in utms) {
           if ((' ' + sd.source_channel_standard + ' ').indexOf(' ' + i + ' ') !== -1) {
             $utms['$' + i] = utms[i];
           } else {
             $utms[i] = utms[i];
           }
         }
         return $utms;
       }
  
      var obj = {
        $referrer: _.info.pageProp.referrer || '',
        $referrer_host: _.info.pageProp.referrer ? _.getHostname(_.info.pageProp.referrer) : '',
        $url: location.href,
        $url_path: location.pathname,
        $title: document.title || '',
        _distinct_id: store.getDistinctId()
      };
      var result = _.extend({}, _.info.properties(),sd.store.getProps(),getUtm(),obj);
      if (sd.para.preset_properties.latest_referrer && sd.para.preset_properties.latest_referrer_host) {
        result.$latest_referrer_host = result.$latest_referrer === "" ? "" : _.getHostname(result.$latest_referrer);
      }
      return result;
    };
  
  
  /*
  数据处理和发送的流程
  数据批量发送
  */
  
  function BatchSend(){
      //正在发送中的数据，如果后续还有，就不发送
    this.sendingData = 0;
  };
  
  BatchSend.prototype = {
    add : function(data){
      if(_.isObject(data)){
        this.writeStore(data);
        if(data.type === 'track_signup' || data.event === '$pageview'){
          this.sendStrategy();
        }
      }
    },
    remove: function(keys){
      var me = this;
      if(this.sendingData > 0){
        --this.sendingData;
      }
      if(_.isArray(keys) && keys.length > 0){
        _.each(keys,function(key){
          _.localStorage.remove(key);
        });
      }
    },
    send: function(data){
      var me = this;
      var server_url = _.isArray(sd.para.server_url) ? sd.para.server_url[0] : sd.para.server_url;
      _.ajax({
        url: server_url,
        type: 'POST',
        data: 'data_list=' + encodeURIComponent(_.base64Encode(JSON.stringify(data.vals))),
        credentials: false,
        timeout: sd.para.batch_send.datasend_timeout,
        cors: true,
        success:function(){
          me.remove(data.keys);
        },
        error: function() {
          if (me.sendingData > 0) {
            --me.sendingData;
          }
        }
      });
  
    },
    sendPrepare:function(data){
      var arr = data.vals;
      //优化最大发送数据量
      var maxLen = sd.para.batch_send.one_send_max_length;
      var arrLen = arr.length;
      if(arrLen > 0){
        if(arrLen <= maxLen){
          this.send({
            keys: data.keys,
            vals: arr
          });
        }else{
          for(var i = 0; i*maxLen < arrLen; i++){
             this.send({
              keys: data.keys.splice(0,maxLen),
              vals: arr.splice(0,maxLen)
            });
          }
  
        }
      }
    },
    sendStrategy:function(){
    //定时发送和次数发送，都存在页面打开没及时发送的问题，所以优化如果是profile和pageview则触发发送
    //次数发送存在不满足次数，永远发送不了的问题，所以选择定时发送
      var data = this.readStore();
      if(data.keys.length > 0 && this.sendingData === 0){
        this.sendingData = Math.ceil(data.vals.length/sd.para.batch_send.one_send_max_length)
        this.sendPrepare(data);
      }
    },
    batchInterval:function(){
      var me = this;
      setInterval(function(){
        me.sendStrategy();
      },sd.para.batch_send.send_interval);
    },
    readStore:function(){
      var keys = [];
      var vals = [];
      var obj = {};
      var val = null;
      var now = (new Date()).getTime();
      var len = localStorage.length;
      for (var i = 0; i < len; i++) {
        var key = localStorage.key(i);
        if(key.indexOf('sawebjssdk-') === 0 && /^sawebjssdk\-\d+$/.test(key)){
          val = localStorage.getItem(key);
          if(val){
            val = _.safeJSONParse(val);
            if(val && _.isObject(val)){
              val._flush_time = now;
              keys.push(key);
              vals.push(val);
            }else{
              localStorage.removeItem(key);
              sd.log('localStorage-数据parse异常' + val);
            }
          }else{
            localStorage.removeItem(key);
            sd.log('localStorage-数据取值异常' + val);
          }
        }
      }
      return {
        keys:keys,
        vals:vals
      };
    },
    writeStore:function(data){
      var uuid = String(Math.random()).slice(2,5)+String(Math.random()).slice(2,5)+String((new Date()).getTime()).slice(3);
      localStorage.setItem('sawebjssdk-'+uuid,JSON.stringify(data));
    }
  };
  
  sd.batchSend = new BatchSend();
  
  
  
  
  // 各种发送方式
  var dataSend = {};
  
  dataSend.getSendUrl = function(url,data){
    var base64Data = _.base64Encode(data);
    var crc = 'crc=' + _.hashCode(base64Data);
    if (url.indexOf('?') !== -1) {
      return url + '&data=' + encodeURIComponent(base64Data) + '&ext=' + encodeURIComponent(crc);
    }else{
      return url + '?data=' + encodeURIComponent(base64Data) + '&ext=' + encodeURIComponent(crc);
    }
  };
  
  dataSend.getSendData = function(data){
    var base64Data = _.base64Encode(data);
    var crc = 'crc=' + _.hashCode(base64Data);
    return 'data=' + encodeURIComponent(base64Data) + '&ext=' + encodeURIComponent(crc);
  };
  
  
  dataSend.getInstance = function(data){
    var sendType = this.getSendType(data);
    var obj = new this[sendType](data);
    // 代理模式，重置原方法，统一设置超时
    var start = obj.start;
    obj.start = function(){
      if (_.isObject(sd.para.is_debug) && sd.para.is_debug.storage && sd.store.requests) {
        sd.store.requests.push({
          name: this.server_url,
          initiatorType: this.img ? 'img' : 'xmlhttprequest', // todo: beacon
          entryType: "resource",
          requestData: this.data
        });
      }
      var me = this;
      start.apply(this, arguments);
      setTimeout(function(){
        me.isEnd(true);
      },sd.para.callback_timeout);
    };
    obj.end = function(){
      this.callback && this.callback();
      var self=this;
      setTimeout(function(){
        self.lastClear && self.lastClear();
      },sd.para.datasend_timeout-sd.para.callback_timeout);
    };
    obj.isEnd = function(isDelay){
      if(!this.received){
        this.received =  true;
        this.end();
        var self=this;
        if(isDelay){
          if(sd.para.queue_timeout-sd.para.callback_timeout <= 0){
            self.close();
          } else {
            setTimeout(function () {
              self.close();
            },sd.para.queue_timeout-sd.para.callback_timeout);
          }
        }else{
          self.close();
        }
      }
    };
  
    return obj;
  
  };
  
  dataSend.getSendType = function(data) {
    var supportedSendTypes = ['image', 'ajax', 'beacon'];
    var sendType = supportedSendTypes[0];
  
    if(data.config && _.indexOf(supportedSendTypes, data.config.send_type) > -1) {
      sendType = data.config.send_type;
    } else {
      sendType = sd.para.send_type;
    }
  
    if (sendType === 'beacon' && typeof navigator.sendBeacon !== "function") {
      sendType = 'image';
    }
  
    if (sendType === 'ajax' && _.isSupportCors() === false) {
      sendType = 'image';
    }
  
    return sendType;
  };
  
  dataSend.image = function(para){
    this.callback = para.callback;
    this.img = document.createElement('img');
    this.img.width = 1;
    this.img.height = 1;
    // 如果后端没有配置 access-allow-origin 会导致请求错误
    if (sd.para.img_use_crossorigin) {
      this.img.crossOrigin = 'anonymous';
    }
    this.data = para.data;
    this.server_url = dataSend.getSendUrl(para.server_url,para.data);
  };
  dataSend.image.prototype.start = function(){
    var me = this;
    if (sd.para.ignore_oom) {
      this.img.onload = function() {
        this.onload = null;
        this.onerror = null;
        this.onabort = null;
        me.isEnd();
      };
      this.img.onerror = function() {
        this.onload = null;
        this.onerror = null;
        this.onabort = null;
        me.isEnd();
      };
      this.img.onabort = function() {
        this.onload = null;
        this.onerror = null;
        this.onabort = null;
        me.isEnd();
      };
    }
    this.img.src = this.server_url;
  };
  
  dataSend.image.prototype.lastClear=function(){
    this.img.src="";
  }
  
  dataSend.ajax = function(para){
    this.callback = para.callback;
    this.server_url = para.server_url;
    this.data = dataSend.getSendData(para.data);
  };
  dataSend.ajax.prototype.start = function(){
    var me = this;
    _.ajax({
      url: this.server_url,
      type: 'POST',
      data: this.data,
      credentials: false,
      timeout:sd.para.datasend_timeout,
      cors:true,
      success:function(){
        me.isEnd();
      },
      error:function(){
        me.isEnd();
      }
    });
  };
  
  dataSend.beacon = function(para){
    this.callback = para.callback;
    this.server_url = para.server_url;
    this.data = dataSend.getSendData(para.data);
  };
  
  dataSend.beacon.prototype.start = function(){
    var me = this;
    if(typeof navigator === 'object' && typeof navigator.sendBeacon === 'function'){
      navigator.sendBeacon(this.server_url,this.data);
    }
    setTimeout(function(){
      me.isEnd();
    },40);
  };
  
  
  
  // 数据发送流程控制
  
  var sendState = {};
  sd.sendState = sendState;
  // 发送队列
  sendState.queue = _.autoExeQueue();
  
  sendState.requestData = null;
  
  sendState.getSendCall = function(data, config, callback) {
    // 点击图渲染模式不发数据
    if(sd.is_heatmap_render_mode){
      return false;
    }
  
    if(sd.readyState.state < 3){
      sd.log('初始化没有完成');
      return false;
    }
  
    data._track_id = Number(String(Math.random()).slice(2, 5) + String(Math.random()).slice(2, 4) + String((new Date()).getTime()).slice(-4));
    if (sd.para.use_client_time) {
      data._flush_time = (new Date()).getTime();
    }
  
    var originData = data;
  
    data = JSON.stringify(data);
    //sd.log(originData);
  
    this.requestData = {
      data: originData,
      config: config,
      callback: callback
    };
  
    if(!sd.para.use_app_track && sd.para.batch_send && localStorage.length < 200){
      sd.log(originData);
      sd.batchSend.add(this.requestData.data);
      return false;
    }
  
    // 打通app传数据给app
    if(sd.para.use_app_track === true || sd.para.use_app_track === 'only'){
      if((typeof SensorsData_APP_JS_Bridge === 'object') && (SensorsData_APP_JS_Bridge.sensorsdata_verify || SensorsData_APP_JS_Bridge.sensorsdata_track)){
        // 如果有新版方式，优先用新版
        if(SensorsData_APP_JS_Bridge.sensorsdata_verify){
          // 如果校验通过则结束，不通过则降级改成h5继续发送
          if(!SensorsData_APP_JS_Bridge.sensorsdata_verify(JSON.stringify(_.extend({server_url:sd.para.server_url},originData)))){
            sd.debug.apph5({
              data: originData,
              step: '3.1',
              output:'all'
            });
            this.prepareServerUrl();
            console.log('@@@@@@@@@执行发送数据');
          }else{
            (typeof callback === 'function') && callback();
          }
        }else{
          SensorsData_APP_JS_Bridge.sensorsdata_track(JSON.stringify(_.extend({server_url:sd.para.server_url},originData)));
          (typeof callback === 'function') && callback();
        }
      }else if((/sensors-verify/.test(navigator.userAgent) || /sa-sdk-ios/.test(navigator.userAgent)) && !window.MSStream){
        var iframe = null;
        if(/sensors-verify/.test(navigator.userAgent)){
          var match = navigator.userAgent.match(/sensors-verify\/([^\s]+)/);
          if(match && match[0] && (typeof match[1] === 'string') && (match[1].split('?').length === 2)){
            match = match[1].split('?');
            var hostname = null;
            var project = null;
            try{
              hostname = _.URL(sd.para.server_url).hostname;
              project = _.URL(sd.para.server_url).searchParams.get('project') || 'default';
            }catch(e){};
            if (hostname && hostname === match[0] && project && project === match[1]) {
              iframe = document.createElement('iframe');
              iframe.setAttribute('src', 'sensorsanalytics://trackEvent?event=' + encodeURIComponent(JSON.stringify(_.extend({server_url:sd.para.server_url},originData))));
              document.documentElement.appendChild(iframe);
              iframe.parentNode.removeChild(iframe);
              iframe = null;
              (typeof callback === 'function') && callback();
            }else{
              sd.debug.apph5({
                data: originData,
                step: '3.2',
                output:'all'
              });
              this.prepareServerUrl();
            }
          }
        }else{
          iframe = document.createElement('iframe');
          iframe.setAttribute('src', 'sensorsanalytics://trackEvent?event=' + encodeURIComponent(JSON.stringify(_.extend({server_url:sd.para.server_url},originData))));
          document.documentElement.appendChild(iframe);
          iframe.parentNode.removeChild(iframe);
          iframe = null;
          (typeof callback === 'function') && callback();
        }
      }else{
        if(sd.para.use_app_track === true){
          sd.debug.apph5({
            data: originData,
            step: '2',
            output:'all'
          });
          this.prepareServerUrl();
        }
      }
    }else if(sd.para.use_app_track === 'mui'){
      if(_.isObject(window.plus) && window.plus.SDAnalytics && window.plus.SDAnalytics.trackH5Event){
        window.plus.SDAnalytics.trackH5Event(data);
      }
    } else{
      sd.debug.apph5({
        data: originData,
        step: '1',
        output:'code'
      });
      this.prepareServerUrl();
    }
    sd.log(originData);
  };
  
  sendState.prepareServerUrl = function(){
    if (typeof this.requestData.config === 'object' && this.requestData.config.server_url) {
      this.sendCall(this.requestData.config.server_url,this.requestData.callback);
    }else if(_.isArray(sd.para.server_url)){
      for(var i =0; i<sd.para.server_url.length;i++){
        this.sendCall(sd.para.server_url[i]);
      }
    }else{
      this.sendCall(sd.para.server_url,this.requestData.callback);
    }
  };
  
  sendState.sendCall = function(server_url,callback){
    var data = {
      server_url: server_url,
      data: JSON.stringify(this.requestData.data),
      callback: callback,
      config: this.requestData.config
    };
    if(_.isObject(sd.para.jsapp) && !sd.para.jsapp.isOnline && typeof sd.para.jsapp.setData === 'function'){
      delete data.callback;
      data = JSON.stringify(data);
      sd.para.jsapp.setData(data);
    }else{
      this.pushSend(data);
    }
  };
  
  sendState.pushSend = function(data){
    var instance = dataSend.getInstance(data);
    var me = this;
    instance.close = function(){
      me.queue.close();
    };
    this.queue.enqueue(instance);
  };
  
  
  var saEvent = {};
  
  saEvent.checkOption = {
    // event和property里的key要是一个合法的变量名，由大小写字母、数字、下划线和$组成，并且首字符不能是数字。
    regChecks: {
      regName: /^((?!^distinct_id$|^original_id$|^time$|^properties$|^id$|^first_id$|^second_id$|^users$|^events$|^event$|^user_id$|^date$|^datetime$)[a-zA-Z_$][a-zA-Z\d_$]{0,99})$/i
    },
    checkPropertiesKey: function(obj) {
      var me = this, flag = true;
      _.each(obj, function(content, key) {
        if (!me.regChecks.regName.test(key)) {
          flag = false;
        }
      });
      return flag;
    },
    check: function(a, b) {
      if (typeof this[a] === 'string') {
        return this[this[a]](b);
      } else {
        return this[a](b);
      }
    },
    str: function(s) {
      if (!_.isString(s)) {
        sd.log('请检查参数格式,必须是字符串');
        //return false;
        return true;
      } else {
        return true;
      }
    },
    properties: function(p) {
      _.strip_sa_properties(p);
      if (p) {
        if (_.isObject(p)) {
          if (this.checkPropertiesKey(p)) {
            return true;
          } else {
            sd.log('properties 里的自定义属性名需要是合法的变量名，不能以数字开头，且只包含：大小写字母、数字、下划线，自定义属性不能以 $ 开头');
            //return false;
            return true;
          }
        } else {
          sd.log('properties可以没有，但有的话必须是对象');
          return true;
          //return false;
        }
      } else {
        return true;
      }
    },
    propertiesMust: function(p) {
      _.strip_sa_properties(p);
      if (p === undefined || !_.isObject(p) || _.isEmptyObject(p)) {
        sd.log('properties必须是对象且有值');
        return true;
        //return false;
      } else {
        if (this.checkPropertiesKey(p)) {
          return true;
        } else {
          sd.log('properties 里的自定义属性名需要是合法的变量名，不能以数字开头，且只包含：大小写字母、数字、下划线，自定义属性不能以 $ 开头');
          return true;
          //return false;
        }
      }
    },
    // event要检查name
    event: function(s) {
      if (!_.isString(s) || !this['regChecks']['regName'].test(s)) {
        sd.log('请检查参数格式，eventName 必须是字符串，且需是合法的变量名，即不能以数字开头，且只包含：大小写字母、数字、下划线和 $,其中以 $ 开头的表明是系统的保留字段，自定义事件名请不要以 $ 开头');
        //return false;
        return true;
      } else {
        return true;
      }
  
    },
    test_id: 'str',
    group_id: 'str',
    distinct_id: function(id) {
      if (_.isString(id) && /^.{1,255}$/.test(id)) {
        return true;
      } else {
        sd.log('distinct_id必须是不能为空，且小于255位的字符串');
        return false;
      }
    }
  };
  
  saEvent.check = function(p) {
    var flag = true;
    for (var i in p) {
      if (!this.checkOption.check(i, p[i])) {
        return false;
      }
    }
    return flag;
  };
  
  saEvent.send = function(p, callback) {
    var data = {
      distinct_id: store.getDistinctId(),
      lib: {
        $lib: 'js',
        $lib_method: 'code',
        $lib_version: String(sd.lib_version)
      },
      properties: {}
    };
  
    if (_.isObject(p) && _.isObject(p.properties) && !_.isEmptyObject(p.properties) && p.properties.$lib_detail) {
      data.lib.$lib_detail = p.properties.$lib_detail;
      delete p.properties.$lib_detail;
    }
    //debugger;
    _.extend(data, sd.store.getUnionId(), p);
  
    // 合并properties里的属性
    if (_.isObject(p.properties) && !_.isEmptyObject(p.properties)) {
      _.extend(data.properties, p.properties);
    }
    /*
    // 合并lib里的属性
    if (_.isObject(callback)) {
      _.extend(data.lib, callback);
    }
    */
  
    // profile时不传公用属性
    if (!p.type || p.type.slice(0, 7) !== 'profile') {
      // 传入的属性 > 当前页面的属性 > session的属性 > cookie的属性 > 预定义属性
  
      data.properties = _.extend({}, _.info.properties(), store.getProps(), store.getSessionProps(), _.info.currentProps, data.properties);
      if(sd.para.preset_properties.latest_referrer && !_.isString(data.properties.$latest_referrer)){
        data.properties.$latest_referrer = '取值异常';
        // TODO
        // Do NOT send data here, it will cause too much recursion.
        //_.jssdkDebug(data.properties,store.getProps());
        //sd.debug.jssdkDebug(data.properties, store.getProps());
      }
      if(sd.para.preset_properties.latest_search_keyword && !_.isString(data.properties.$latest_search_keyword)){
        data.properties.$latest_search_keyword = '取值异常';
      }
      if(sd.para.preset_properties.latest_traffic_source_type && !_.isString(data.properties.$latest_traffic_source_type)){
        data.properties.$latest_traffic_source_type = '取值异常';
      }
      if(sd.para.preset_properties.latest_landing_page && !_.isString(data.properties.$latest_landing_page)){
        data.properties.$latest_landing_page = '取值异常';
      }
    }
  
    // 如果$time是传入的就用，否则使用服务端时间
    if (data.properties.$time && _.isDate(data.properties.$time)) {
      data.time = data.properties.$time * 1;
      delete data.properties.$time;
    } else {
      if (sd.para.use_client_time) {
        data.time = (new Date()) * 1;
      }
    }
    // Parse super properties that added by registerPage()
    _.parseSuperProperties(data.properties);
  
    _.searchObjDate(data);
    _.searchObjString(data);
    // 兼容灼洲app端做的$project和$token而加的代码
    _.searchZZAppStyle(data);
  
    //去掉data里的$option
    var data_config = _.searchConfigData(data.properties);
  
    //判断是否要给数据增加新用户属性
    saNewUser.checkIsAddSign(data);
    saNewUser.checkIsFirstTime(data);
  
    sd.addReferrerHost(data);
    sd.addPropsHook(data);
  
    if (sd.para.debug_mode === true) {
      sd.log(data);
      this.debugPath(JSON.stringify(data), callback);
    } else {
      sd.sendState.getSendCall(data,data_config,callback);
    }
  
  };
  
    // 发送debug数据请求
  saEvent.debugPath = function(data, callback) {
    var _data = data; //存数据
    var url = '';
    if (sd.para.debug_mode_url.indexOf('?') !== -1) {
      url = sd.para.debug_mode_url + '&data=' + encodeURIComponent(_.base64Encode(data));
    } else {
      url = sd.para.debug_mode_url + '?data=' + encodeURIComponent(_.base64Encode(data));
    }
  
    _.ajax({
         url: url,
         type: 'GET',
         cors: true,
         header: {'Dry-Run': String(sd.para.debug_mode_upload)},
         success:function(data){
         // debug 模式下 提示框
          _.isEmptyObject(data) === true ? alert('debug数据发送成功' + _data) : alert('debug失败 错误原因' + JSON.stringify(data));
         }
       });
  
  };
  
  /*
  cookie的数据存储
  初始化cookie里的distinct_id
  */
  
    var store = sd.store = {
      requests: [],
        _sessionState: {},
        _state: {
          distinct_id: '',
          first_id: '',
          props: {}
        },
        getProps: function() {
          return this._state.props || {};
        },
        getSessionProps: function() {
          return this._sessionState;
        },
        getDistinctId: function() {
          return this._state.distinct_id;
        },
        getUnionId: function() {
          var obj = {};
          var firstId = this._state.first_id, distinct_id = this._state.distinct_id;
          if (firstId && distinct_id) {
            obj.login_id = distinct_id;
            obj.anonymous_id = firstId;
          } else {
            obj.anonymous_id = distinct_id;
          }
          return obj;
        },
        getFirstId: function(){
          return this._state.first_id;
        },
        toState: function(ds) {
          var state = null;
          if (ds != null && _.isJSONString(ds)) {
            state = JSON.parse(ds);
            this._state = _.extend(state);
            if (state.distinct_id) {
              if(typeof(state.props) === 'object'){
                for(var key in state.props){
                  if(typeof state.props[key] === 'string'){
                    state.props[key] = state.props[key].slice(0, sd.para.max_referrer_string_length);
                  }
                }
                this.save();
              }
  
            } else {
              this.set('distinct_id', _.UUID());
              sd.debug.distinct_id('1', ds);
            }
          } else {
            this.set('distinct_id', _.UUID());
            sd.debug.distinct_id('2', ds);
          }
        },
        initSessionState: function() {
          var ds = _.cookie.get('sensorsdata2015session');
          var state = null;
          if (ds !== null && (typeof (state = JSON.parse(ds)) === 'object')) {
            this._sessionState = state || {};
          }
        },
  
        setOnce: function(a, b) {
          if (!(a in this._state)) {
            this.set(a, b);
          }
        },
        set: function(name, value) {
          this._state = this._state || {};
          this._state[name] = value;
          this.save();
        },
        // 针对当前页面修改
        change: function(name, value) {
          this._state[name] = value;
        },
        setSessionProps: function(newp) {
          var props = this._sessionState;
          _.extend(props, newp);
          this.sessionSave(props);
        },
        setSessionPropsOnce: function(newp) {
          var props = this._sessionState;
          _.coverExtend(props, newp);
          this.sessionSave(props);
        },
        setProps: function(newp,isCover) {
          var props = {};
          if(!isCover){
            props =  _.extend((this._state.props || {}), newp);
          }else{
            props = newp;
          }
          for(var key in props){
            if(typeof props[key] === 'string'){
              props[key] = props[key].slice(0, sd.para.max_referrer_string_length);
            }
          }
          this.set('props', props);
        },
        setPropsOnce: function(newp) {
          var props = this._state.props || {};
          _.coverExtend(props, newp);
          this.set('props', props);
        },
      clearAllProps: function(arr) {
        this._sessionState = {};
        if(_.isArray(arr) && arr.length > 0){
          for(var i=0;i<arr.length;i++){
            if(_.isString(arr[i]) && arr[i].indexOf('latest_') === -1 && arr[i] in this._state.props){
              delete this._state.props[arr[i]];
            }
          }
        }else{
          for(var i in this._state.props){
            if(i.indexOf('latest_') !== 1){
              delete this._state.props[i];
            }
          }
        }
        this.sessionSave({});
        this.save();
      },
      sessionSave: function(props) {
        this._sessionState = props;
        _.cookie.set('sensorsdata2015session', JSON.stringify(this._sessionState), 0);
      },
      save: function() {
        _.cookie.set(this.getCookieName(), JSON.stringify(this._state), 73000, sd.para.cross_subdomain);
      },
      getCookieName: function(){
        var sub = '';
        if(sd.para.cross_subdomain === false){
          try {
            sub = _.URL(location.href).hostname;
          } catch (e) {
            // do nothing.
          }
          if(typeof sub === 'string' && sub !== ''){
            sub = 'sa_jssdk_2015_' + sub.replace(/\./g, '_');
          }else{
            sub = 'sa_jssdk_2015_root';
          }
        }else{
          sub = 'sensorsdata2015jssdkcross';
        }
        return sub;
      },
      init: function() {
  
        this.initSessionState();
        var uuid = _.UUID();
        var cross = _.cookie.get(this.getCookieName());
        if (cross === null) {
          // null肯定是首次，非null，看是否有distinct_id
          sd.is_first_visitor = true;
  
          this.set('distinct_id', uuid);
        } else {
  
          if (!_.isJSONString(cross) || !(JSON.parse(cross)).distinct_id){
            sd.is_first_visitor = true;
          }
  
          this.toState(cross);
        }
  
  
        // 如果没有跨域的cookie，且没有当前域cookie，那当前域的cookie和跨域cookie一致
          saNewUser.setDeviceId(uuid);
  
          //判断新用户
          saNewUser.storeInitCheck();
          saNewUser.checkIsFirstLatest();
  
        }
      };
  
  
  // 检查是否是新用户（第一次种cookie，且在8个小时内的）
  var saNewUser = {
    checkIsAddSign: function(data) {
      if (data.type === 'track') {
        if (_.cookie.getNewUser()) {
          data.properties.$is_first_day = true;
        } else {
          data.properties.$is_first_day = false;
        }
      }
    },
    is_first_visit_time: false,
    checkIsFirstTime: function(data) {
      if (data.type === 'track' && data.event === '$pageview') {
        if (this.is_first_visit_time) {
          data.properties.$is_first_time = true;
          this.is_first_visit_time = false;
        } else {
          data.properties.$is_first_time = false;
        }
      }
    },
    setDeviceId: function(uuid){
      // deviceid必须跨子域
      var device_id = null;
      var ds = _.cookie.get('sensorsdata2015jssdkcross');
      var state = {};
      if (ds != null && _.isJSONString(ds)) {
        state = JSON.parse(ds);
        if(state.$device_id) {
          device_id = state.$device_id;
        }
      }
  
      device_id = device_id || uuid;
  
      if(sd.para.cross_subdomain === true){
        store.set('$device_id',device_id);
      }else{
        state.$device_id = device_id;
        _.cookie.set('sensorsdata2015jssdkcross',JSON.stringify(state),null,true);
      }
  
      if(sd.para.is_track_device_id){
        _.info.currentProps.$device_id = device_id;
      }
  
    },
    storeInitCheck: function() {
      // 如果是新用户，种cookie
      if (sd.is_first_visitor) {
  
        var date = new Date();
        var obj = {
          h: 23 - date.getHours(),
          m: 59 - date.getMinutes(),
          s: 59 - date.getSeconds()
        };
        _.cookie.set(_.cookie.getCookieName('new_user'), '1', obj.h * 3600 + obj.m * 60 + obj.s + 's');
        // 如果是is_first_visit_time，且第一次，那就发数据
        this.is_first_visit_time = true;
      } else {
        // 如果没有这个cookie，肯定不是首日
        if (!_.cookie.getNewUser()) {
          this.checkIsAddSign = function(data) {
            if (data.type === 'track') {
              data.properties.$is_first_day = false;
            }
          };
        }
        // 如果不是第一次打开的用户，肯定不是首次访问
        this.checkIsFirstTime = function(data) {
          if (data.type === 'track' && data.event === '$pageview') {
            data.properties.$is_first_time = false;
          }
        }
      }
    },
    //检查是否是latest
    checkIsFirstLatest: function() {
      var url_domain = _.info.pageProp.url_domain;
  
      //去除详叔的坑，utm_source相关
       var latest_utms = ['$utm_source','$utm_medium', '$utm_campaign', '$utm_content', '$utm_term'];
       var props = store.getProps();
       for(var i =0;i<latest_utms.length;i++){
         if(latest_utms[i] in props){
           delete props[latest_utms[i]];
         }
       }
       store.setProps(props,true);
  
  
      // 判断最近一次，如果前向地址跟自己域名一致，且cookie中取不到值，认为有异常
      // 最近一次站外前向地址，如果域名不一致，就register为latest
  
      var latestObj={};
  
      if (url_domain === "") {
        url_domain = "url解析失败";
      }
  
      // 遍历 preset_properties 配置参数
      _.each(sd.para.preset_properties,function(value,key){
        // 忽略不以 latest_ 开头的配置项
        if (key.indexOf('latest_') === -1) {
          return false;
        }
        // 得到 latest_ 后面的字符串
        // 例如 utm, traffic_source_type, search_keyword, referrer, referrer_host, landing_page
        key = key.slice(7);
        // 配置值为 true
        if(value){
          if (key !== 'utm' && url_domain === "url解析失败") {
            latestObj['$latest_'+key]='url的domain解析失败';
          }else if (_.isReferralTraffic(document.referrer)) {
            switch (key){
              case 'traffic_source_type':
                latestObj['$latest_traffic_source_type']=_.getSourceFromReferrer();
                break;
              case 'referrer':
                latestObj['$latest_referrer']=_.info.pageProp.referrer;
                break;
              case 'search_keyword':
                latestObj['$latest_search_keyword']=_.getKeywordFromReferrer();
                break;
              case 'landing_page':
                latestObj['$latest_landing_page']=location.href;
                break;
            }
          }
        }else{
          // 如果当前配置是 latest_utm，遍历store._state.props 删除非 $latest_utm 和 _latest_ 开头的属性
          if(key === 'utm' && sd.store._state.props){
            for(var key1 in sd.store._state.props){
              if(key1.indexOf('$latest_utm') === 0 || key1.indexOf('_latest_') === 0){
                delete sd.store._state.props[key1];
              }
            }
          // 如果是非 latest_utm 配置项，从 store._state.props 中删掉此属性
          }else if(sd.store._state.props && (('$latest_'+key) in sd.store._state.props)){
            delete sd.store._state.props['$latest_'+key];
          }
        }
      });
  
      sd.register(latestObj);
  
      // utm
      if(sd.para.preset_properties.latest_utm){
        var allUtms = _.info.campaignParamsStandard('$latest_','_latest_');
        var $utms = allUtms.$utms;
        var otherUtms = allUtms.otherUtms;
        if (!_.isEmptyObject($utms)) {
          sd.register($utms);
        }
        if (!_.isEmptyObject(otherUtms)) {
          sd.register(otherUtms);
        }
      }
  
  
    }
  
  };
  
  
  /*
  点击图和触达图数据采集的功能
  */
  
    var heatmap = sd.heatmap = {
      // 设置错误提示
      setNotice: function(web_url){
        sd.is_heatmap_render_mode = true;
  
        if(!sd.para.heatmap){
          sd.errorMsg = '您SDK没有配置开启点击图，可能没有数据！';
        }
        if(web_url && web_url[0] && web_url[1]){
          if(web_url[1].slice(0,5) === 'http:' && location.protocol === 'https'){
            sd.errorMsg = '您的当前页面是https的地址，神策分析环境也必须是https！';
          }
        }
        if(!sd.para.heatmap_url){
          sd.para.heatmap_url = location.protocol + '//static.sensorsdata.cn/sdk/'+ sd.lib_version + '/heatmap.min.js';
        }
  
      },
      getDomIndex: function (el) {
        if (!el.parentNode) return -1;
        var i=0;
        var nodeName = el.tagName;
        var list = el.parentNode.children;
        for (var n = 0; n < list.length; n++) {
          if (list[n].tagName === nodeName) {
            if(el === list[n]){
              return i;
            }
            else {
              i++;
            }
          }
        }
        return -1;
      },
        selector:function (el){
          var i = el.parentNode && 9 == el.parentNode.nodeType ? -1 : this.getDomIndex(el);
          if(el.getAttribute && el.getAttribute('id') && (!sd.para.heatmap || (sd.para.heatmap && sd.para.heatmap.element_selector !== 'not_use_id'))){
            return '#' + el.getAttribute('id');
          }else{
              return el.tagName.toLowerCase() + (~i ? ':nth-of-type(' + (i + 1) + ')' : '');
          }
        },
        getDomSelector : function(el,arr) {
          if(!el || !el.parentNode || !el.parentNode.children){
            return false;
          }
          arr = arr && arr.join ? arr : [];
          var name = el.nodeName.toLowerCase();
          if (!el || name === 'body' || 1 != el.nodeType) {
            arr.unshift('body');
            return arr.join(' > ');
          }
          arr.unshift(this.selector(el));
          if (el.getAttribute && el.getAttribute('id') && (sd.para.heatmap && sd.para.heatmap.element_selector !== 'not_use_id')) return arr.join(' > ');
          return this.getDomSelector(el.parentNode, arr);
        },
        na : function() {
          var a = document.documentElement.scrollLeft || window.pageXOffset;
          return parseInt(isNaN(a) ? 0 : a, 10);
        },
        i : function() {
          var a = 0;
          try {
            a = o.documentElement && o.documentElement.scrollTop || m.pageYOffset,
            a = isNaN(a) ? 0 : a;
          } catch (b) {
            a = 0;
          }
          return parseInt(a, 10);
        },
        getBrowserWidth : function() {
          var a = window.innerWidth || document.body.clientWidth;
          return isNaN(a) ? 0 : parseInt(a, 10);
        },
        getBrowserHeight : function() {
          var a = window.innerHeight || document.body.clientHeight;
          return isNaN(a) ? 0 : parseInt(a, 10);
        },
        getScrollWidth : function() {
          var a = parseInt(document.body.scrollWidth, 10);
          return isNaN(a) ? 0 : a;
        },
        W : function(a) {
          var b = parseInt(+a.clientX + +this.na(), 10);
          var a = parseInt(+a.clientY + +this.i(), 10);
          return {
            x : isNaN(b) ? 0 : b,
            y : isNaN(a) ? 0 : a
          }
        },
        start : function(ev, target, tagName, customProps, callback) {
          var userCustomProps = _.isObject(customProps) ? customProps : {};
          var userCallback = _.isFunction(callback) ? callback : _.isFunction(customProps) ? customProps : undefined;
          if(sd.para.heatmap && sd.para.heatmap.collect_element && !sd.para.heatmap.collect_element(target)){
            return false;
          }
  
          var selector = this.getDomSelector(target);
          var prop = _.getEleInfo({target:target});
  
          prop.$element_selector = selector ? selector : '';
          if(sd.para.heatmap && sd.para.heatmap.custom_property) {
            var customP = sd.para.heatmap.custom_property(target);
            if(_.isObject(customP)){
              prop = _.extend(prop,customP);
            }
          }
          prop = _.extend(prop, userCustomProps);
          if(tagName === 'a' && sd.para.heatmap && sd.para.heatmap.isTrackLink === true){
            _.trackLink({event:ev,target:target},'$WebClick',prop);
          }else{
            sd.track('$WebClick', prop, userCallback);
          }
  
        },
      hasElement:function(e){
      var path = e._getPath();
      if(_.isArray(path) && (path.length > 0) ){
        for(var i = 0;i<path.length;i++){
          if(path[i] && path[i].tagName && (path[i].tagName.toLowerCase() === 'a')){
            return path[i];
          }
        }
      }
      return false;
    },
  
    initScrollmap: function(){
      if (!_.isObject(sd.para.heatmap) || sd.para.heatmap.scroll_notice_map !== 'default') {
        return false;
      }
  
      /*
      if (sd.para.scrollmap && _.isFunction(sd.para.scrollmap.collect_url) && !sd.para.scrollmap.collect_url()) {
        return false;
      }
      */
      var checkPage = function() {
        if (sd.para.scrollmap && _.isFunction(sd.para.scrollmap.collect_url) && !sd.para.scrollmap.collect_url()) {
          return false;
        }
        return true;
      };
  
      var interDelay = function(param){
        var interDelay = {};
        interDelay.timeout = param.timeout || 1000;
        interDelay.func = param.func;
        interDelay.hasInit = false;
        interDelay.inter = null;
        interDelay.main = function(para,isClose){
          this.func(para,isClose);
          this.inter = null;
        };
        interDelay.go = function(isNoDelay){
          var me = this;
          var para = {};
          if(!this.inter){
            para.$viewport_position = document.documentElement && document.documentElement.scrollTop || window.pageYOffset || document.body.scrollTop || 0;
            para.$viewport_position = Math.round(para.$viewport_position) || 0;
            para.$viewport_height = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight || 0;
            para.$viewport_width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth || 0;
            //para.$screen_orientation = _.getScreenOrientation();
            //para.$device_pixel_ratio = (isNaN(window.devicePixelRatio) ? 1 : window.devicePixelRatio);
            if(isNoDelay){
              interDelay.main(para,true);
            }else{
  
              this.inter = setTimeout(function(){
                interDelay.main(para);
              }, this.timeout);
  
            }
          }
        };
        return interDelay;
      };
  
  
      var delayTime =  interDelay({
        timeout: 1000,
        func: function(para,isClose){
          var offsetTop= document.documentElement && document.documentElement.scrollTop || window.pageYOffset || document.body.scrollTop || 0;
          var current_time = new Date();
          var delay_time = current_time - this.current_time;
          if((delay_time > sd.para.heatmap.scroll_delay_time && offsetTop - para.$viewport_position !==0) || isClose){
            para.$url = location.href;
            para.$title = document.title;
            para.$url_path = location.pathname;
            para.event_duration = Math.min(sd.para.heatmap.scroll_event_duration, parseInt(delay_time)/1000);
            sd.track('$WebStay',para);
          }
          this.current_time = current_time;
        }
      });
  
      delayTime.current_time = new Date();
  
  
      _.addEvent(window,'scroll', function () {
        if (!checkPage()) {
          return false;
        }
        delayTime.go();
      });
  
      _.addEvent(window,'unload',function(){
        if (!checkPage()) {
          return false;
        }
        delayTime.go('notime');
      });
  
  
    },
    initHeatmap : function() {
      var that = this;
      if (!_.isObject(sd.para.heatmap) || sd.para.heatmap.clickmap !== 'default') {
        return false;
      }
  
      // 验证url，function成功就行，非function认为都是全部
      if (_.isFunction(sd.para.heatmap.collect_url) && !sd.para.heatmap.collect_url()) {
        return false;
      }
  
      if (sd.para.heatmap.collect_elements === 'all') {
        sd.para.heatmap.collect_elements = 'all';
      } else {
        sd.para.heatmap.collect_elements = 'interact';
      }
  
      if (sd.para.heatmap.collect_elements === 'all') {
        _.addEvent(document, 'click', function(e) {
          var ev = e || window.event;
          if(!ev){
            return false;
          }
          var target = ev.target || ev.srcElement;
          if(typeof target !== 'object'){
            return false;
          }
          if(typeof target.tagName !== 'string'){
            return false;
          }
          var tagName = target.tagName.toLowerCase();
          if(tagName === 'body' || tagName === 'html'){
            return false;
          }
          if(!target || !target.parentNode || !target.parentNode.children){
            return false;
          }
          var parent_ele = target.parentNode.tagName.toLowerCase();
          if(parent_ele === 'a' || parent_ele === 'button'){
            that.start(ev, target.parentNode, parent_ele);
          }else{
            that.start(ev, target, tagName);
          }
        });
  
      } else {
        _.addEvent(document, 'click', function(e) {
          var ev = e || window.event;
          if(!ev){
            return false;
          }
          var target = ev.target || ev.srcElement;
          if(typeof target !== 'object'){
            return false;
          }
          if(typeof target.tagName !== 'string'){
            return false;
          }
          var tagName = target.tagName.toLowerCase();
          if(tagName.toLowerCase() === 'body' || tagName.toLowerCase() === 'html'){
            return false;
          }
          if(!target || !target.parentNode || !target.parentNode.children){
            return false;
          }
  
          var parent_ele = target.parentNode;
  
          if(tagName === 'a' || tagName === 'button' || tagName === 'input' || tagName === 'textarea'){
            that.start(ev, target, tagName);
          }else if(parent_ele.tagName.toLowerCase() === 'button' || parent_ele.tagName.toLowerCase() === 'a'){
            that.start(ev, parent_ele, target.parentNode.tagName.toLowerCase());
          }else if(tagName === 'area' && parent_ele.tagName.toLowerCase() === 'map' && _.ry(parent_ele).prev().tagName && _.ry(parent_ele).prev().tagName.toLowerCase() === 'img'){
            that.start(ev, _.ry(parent_ele).prev(), _.ry(parent_ele).prev().tagName.toLowerCase());
          }else{
            var hasA = that.hasElement(e);
            if(hasA){
              that.start(ev, hasA, hasA.tagName.toLowerCase());
            }
          }
        });
      }
  
    },
    initDefineMode : function(){
      _.loadScript({
        success:function(){
            setTimeout(function(){
              if(typeof sa_jssdk_app_define_mode !== 'undefined'){
                sa_jssdk_app_define_mode(sd);
              }
            },0);
        },
        error:function(){},
        type:'js',
        url: 'https://869359954.github.io/sadefine/vapph5define.js'
      });
    },
    prepare:function(todo){
      var match = location.search.match(/sa-request-id=([^&#]+)/);
      var type = location.search.match(/sa-request-type=([^&#]+)/);
      var web_url = location.search.match(/sa-request-url=([^&#]+)/);
  
      var me = this;
      function isReady(data,type,url){
        if(sd.para.heatmap_url){
          _.loadScript({
             success:function(){
                 setTimeout(function(){
                    if(typeof sa_jssdk_heatmap_render !== 'undefined'){
                     sa_jssdk_heatmap_render(sd,data,type,url);
                      if (typeof console === 'object' && typeof console.log === 'function') {
                        if (!(sd.heatmap_version && (sd.heatmap_version === sd.lib_version))) {
                          console.log('heatmap.js与sensorsdata.js版本号不一致，可能存在风险!');
                        }
                      }
                    }
                 },0);
             },
             error:function(){},
             type:'js',
             url: sd.para.heatmap_url
         });
       }else{
         sd.log('没有指定heatmap_url的路径');
       }
  
      }
      // 如果有id，才有可能是首次，首次的时候把web_url存进去
      if(match && match[0] && match[1]){
        heatmap.setNotice(web_url);
        if(_.sessionStorage.isSupport()){
          if(web_url && web_url[0] && web_url[1]){
            sessionStorage.setItem('sensors_heatmap_url',decodeURIComponent(web_url[1]));
          }
          sessionStorage.setItem('sensors_heatmap_id',match[1]);
  
            if(type && type[0] && type[1]){
              if(type[1] === '1' || type[1] === '2' || type[1] === '3'){
                  type = type[1];
                  sessionStorage.setItem('sensors_heatmap_type',type);
              }else{
                  type = null;
              }
            }else{
                if(sessionStorage.getItem('sensors_heatmap_type') !== null){
                  type = sessionStorage.getItem('sensors_heatmap_type');
                }else{
                  type = null;
                }
            }
        }
        isReady(match[1],type);
      } else if(_.sessionStorage.isSupport() && typeof sessionStorage.getItem('sensors_heatmap_id') === 'string'){
        heatmap.setNotice();
        isReady(sessionStorage.getItem('sensors_heatmap_id'),sessionStorage.getItem('sensors_heatmap_type'),location.href);
      }else{
        //圈选模式加载 define.js 但是不影响正常数据采集流程
        if(sd.para.use_app_track === true && ((typeof SensorsData_iOS_JS_Bridge === 'object' && SensorsData_iOS_JS_Bridge.sensorsdata_define_mode) || (typeof SensorsData_APP_JS_Bridge === 'object' && SensorsData_APP_JS_Bridge.sensorsdata_define_mode))){
          if (!_.isObject(sd.para.heatmap) || sd.para.heatmap.clickmap !== 'default') {
            alert('H5 未开启全埋点！');
          }else{
            this.initDefineMode();
          }
        }
        todo();
        //进入热力图采集模式
        if (_.isObject(sd.para.heatmap)) {
          this.initHeatmap();
          this.initScrollmap();
        }
      }
  
  
  
      }
    };
  
  
  
  
  sd.init = function(para){
    // 标志已经init过
    if(sd.readyState && sd.readyState.state && sd.readyState.state >= 2){
      return false;
    }
    sd.setInitVar();
    sd.readyState.setState(2);
    sd.initPara(para);
  
    function app_js_bridge(){
      var app_info = null;
      var todo = null;
      function setAppInfo(data){
        app_info = data;
        if(_.isJSONString(app_info)){
          app_info = JSON.parse(app_info);
        }
        if(todo){
          todo(app_info);
          todo = null;
          app_info = null;
        }
      }
      //android
      function getAndroid(){
        if(typeof window.SensorsData_APP_JS_Bridge === 'object' && window.SensorsData_APP_JS_Bridge.sensorsdata_call_app){
          app_info = SensorsData_APP_JS_Bridge.sensorsdata_call_app();
          if(_.isJSONString(app_info)){
            app_info = JSON.parse(app_info);
          }
        }
      }
      //ios
      window.sensorsdata_app_js_bridge_call_js = function(data){
        setAppInfo(data);
      };
      // 通知iOS
      function calliOS() {
        if (/iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream) {
          var iframe = document.createElement("iframe");
          iframe.setAttribute("src", "sensorsanalytics://getAppInfo");
          document.documentElement.appendChild(iframe);
          iframe.parentNode.removeChild(iframe);
          iframe = null;
        }
      }
      sd.getAppStatus = function(func){
        calliOS();
        //先获取能直接取到的安卓，ios是异步的不需要操作
        getAndroid();
        // 不传参数，直接返回数据
        if(!func){
          return app_info;
          app_info = null;
        }else{
          //如果传参数，保存参数。如果有数据直接执行，没数据时保存
          if(app_info === null){
            todo = func;
          }else{
            func(app_info);
            app_info = null;
          }
        }
      };
    }
  
    heatmap.prepare(function(){
      app_js_bridge();
      // 初始化referrer等页面属性 1.6
      _.info.initPage();
  
      if(sd.para.is_track_single_page){
        _.addSinglePageEvent(function (last_url) {
          var sendData = function(extraData) {
            extraData = extraData || {};
            if (last_url !== location.href) {
              _.info.pageProp.referrer = last_url;
              sd.quick("autoTrack", _.extend({$url: location.href, $referrer: last_url}, extraData));
            }
          };
          if (typeof sd.para.is_track_single_page === "boolean") {
            sendData();
          } else if (typeof sd.para.is_track_single_page === "function") {
            var returnValue = sd.para.is_track_single_page();
            if (_.isObject(returnValue)) {
              sendData(returnValue);
            } else if (returnValue === true) {
              sendData();
            }
          }
        });
      }
      // 支持localstorage且开启了batch_send
      if (sd.para.batch_send) {
        sd.batchSend.batchInterval();
      }
      // 初始化distinct_id
      sd.store.init();
  
      sd.readyState.setState(3);
      // 发送数据
      if(sd._q && _.isArray(sd._q) && sd._q.length > 0 ){
        _.each(sd._q, function(content) {
          sd[content[0]].apply(sd, Array.prototype.slice.call(content[1]));
        });
      }
  
    });
  
  };
  
  var methods = ['track','quick','register','registerPage','registerOnce','trackSignup', 'setProfile','setOnceProfile','appendProfile', 'incrementProfile', 'deleteProfile', 'unsetProfile', 'identify','login','logout','trackLink','clearAllRegister'];
  
  _.each(methods, function(method) {
    var oldFunc = sd[method];
    sd[method] = function() {
      if (!sd.readyState.getState()) {
        try {
          console.error('请先初始化神策JS SDK');
        } catch (e) {}
        return;
      }
      return oldFunc.apply(sd, arguments);
    };
  });
  
  
  
  if (typeof window['sensorsDataAnalytic201505'] === 'string'){
    //异步或者同步
    sd.setPreConfig(window[sensorsDataAnalytic201505]);
    window[sensorsDataAnalytic201505] = sd;
    sd.init();
    window['sensorsDataAnalytic201505'] = sd;
  } else if (typeof window['sensorsDataAnalytic201505'] === 'undefined'){
    //module模式，或者webpack打包
    window['sensorsDataAnalytic201505'] = sd;
    return sd;
  } else {
    //已经使用过以上两种方式的话
    return window['sensorsDataAnalytic201505'];
  }
  
  
  
  
  }catch(err){
    if (typeof console === 'object' && console.log) {
      try {console.log(err)} catch (e) {};
    }
  }
  
  
  
  });